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55025211243 = 341974611953
BaseRepresentation
bin110011001111110000…
…100001011101101011
312021000210122100111210
4303033300201131223
51400142423224433
641140033124203
73655401402252
oct631760413553
9167023570453
1055025211243
112137732a6a2
12a7b79b9663
13525bbb79c2
14293dcb5799
151670b2b463
hexccfc2176b

55025211243 has 16 divisors (see below), whose sum is σ = 75931210656. Its totient is φ = 35419791360.

The previous prime is 55025211211. The next prime is 55025211253. The reversal of 55025211243 is 34211252055.

It is not a de Polignac number, because 55025211243 - 25 = 55025211211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55025211243.

It is not an unprimeable number, because it can be changed into a prime (55025211253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294046 + ... + 2317907.

It is an arithmetic number, because the mean of its divisors is an integer number (4745700666).

Almost surely, 255025211243 is an apocalyptic number.

55025211243 is a deficient number, since it is larger than the sum of its proper divisors (20905999413).

55025211243 is a wasteful number, since it uses less digits than its factorization.

55025211243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612094.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55025211243 its reverse (34211252055), we get a palindrome (89236463298).

The spelling of 55025211243 in words is "fifty-five billion, twenty-five million, two hundred eleven thousand, two hundred forty-three".

Divisors: 1 3 41 97 123 291 3977 11931 4611953 13835859 189090073 447359441 567270219 1342078323 18341737081 55025211243