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55025005053 = 331591666721
BaseRepresentation
bin110011001111101111…
…101111000111111101
312021000210020212200010
4303033233233013331
51400142400130203
641140024453433
73655366553154
oct631757570775
9167023225603
1055025005053
11213771a9797
12a7b791a279
13525bb44bb5
14293dc6059b
151670ada303
hexccfbef1fd

55025005053 has 8 divisors (see below), whose sum is σ = 75733340416. Its totient is φ = 35500003200.

The previous prime is 55025005031. The next prime is 55025005069. The reversal of 55025005053 is 35050052055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55025005053 - 224 = 55008227837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55025005053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55025005003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295833268 + ... + 295833453.

It is an arithmetic number, because the mean of its divisors is an integer number (9466667552).

Almost surely, 255025005053 is an apocalyptic number.

It is an amenable number.

55025005053 is a deficient number, since it is larger than the sum of its proper divisors (20708335363).

55025005053 is a wasteful number, since it uses less digits than its factorization.

55025005053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591666755.

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 55025005053 in words is "fifty-five billion, twenty-five million, five thousand, fifty-three".

Divisors: 1 3 31 93 591666721 1775000163 18341668351 55025005053