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55252553005057 = 393231405095059
BaseRepresentation
bin11001001000000011111001…
…10010110111100000000001
321020122002111102022100020011
430210001330302313200001
524220224212032130212
6313302401125144521
714431602525333412
oct1444017462674001
9236562442270204
1055252553005057
1116672526816331
12624439425b141
1324aa3a77736b5
14d9034888d809
1565c3a43964a7
hex32407ccb7801

55252553005057 has 4 divisors (see below), whose sum is σ = 55253958139440. Its totient is φ = 55251147870676.

The previous prime is 55252553005037. The next prime is 55252553005061. The reversal of 55252553005057 is 75050035525255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55252553005057 - 215 = 55252552972289 is a prime.

It is a super-2 number, since 2×552525530050572 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55252553005057.

It is not an unprimeable number, because it can be changed into a prime (55252553005037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702508207 + ... + 702586852.

It is an arithmetic number, because the mean of its divisors is an integer number (13813489534860).

Almost surely, 255252553005057 is an apocalyptic number.

It is an amenable number.

55252553005057 is a deficient number, since it is larger than the sum of its proper divisors (1405134383).

55252553005057 is a wasteful number, since it uses less digits than its factorization.

55252553005057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405134382.

The product of its (nonzero) digits is 6562500, while the sum is 49.

The spelling of 55252553005057 in words is "fifty-five trillion, two hundred fifty-two billion, five hundred fifty-three million, five thousand, fifty-seven".

Divisors: 1 39323 1405095059 55252553005057