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55257175211 = 711261700993
BaseRepresentation
bin110011011101100101…
…011001010010101011
312021121222010100020212
4303131211121102223
51401131314101321
641215041011335
73664216145120
oct633545312253
9167558110225
1055257175211
1121486264657
12a861623b4b
135297c83ba4
142962a18747
15168619b55b
hexcdd9594ab

55257175211 has 8 divisors (see below), whose sum is σ = 63156755424. Its totient is φ = 47359019520.

The previous prime is 55257175159. The next prime is 55257175229. The reversal of 55257175211 is 11257175255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55257175211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55257175231) 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, 271670 + ... + 429323.

It is an arithmetic number, because the mean of its divisors is an integer number (7894594428).

Almost surely, 255257175211 is an apocalyptic number.

55257175211 is a deficient number, since it is larger than the sum of its proper divisors (7899580213).

55257175211 is a wasteful number, since it uses less digits than its factorization.

55257175211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712261.

The product of its digits is 122500, while the sum is 41.

The spelling of 55257175211 in words is "fifty-five billion, two hundred fifty-seven million, one hundred seventy-five thousand, two hundred eleven".

Divisors: 1 7 11261 78827 700993 4906951 7893882173 55257175211