55085558355 has 32 divisors (see below), whose sum is σ = 98828347200. Its totient is φ = 29109424896.

The previous prime is 55085558351. The next prime is 55085558357. The reversal of 55085558355 is 55385558055.

55085558355 is a `hidden beast` number, since 5 + 5 + 0 + 8 + 5 + 5 + 583 + 55 = 666.

It is not a de Polignac number, because 55085558355 - 2² = 55085558351 is a prime.

It is a super-2 number, since 2×55085558355² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55085558351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1857034 + ... + 1886463.

It is an arithmetic number, because the mean of its divisors is an integer number (3088385850).

Almost surely, 2^55085558355 is an apocalyptic number.

55085558355 is a deficient number, since it is larger than the sum of its proper divisors (43742788845).

55085558355 is a wasteful number, since it uses less digits than its factorization.

55085558355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743620 (or 3743614 counting only the distinct ones).

The product of its (nonzero) digits is 15000000, while the sum is 54.

The spelling of 55085558355 in words is "fifty-five billion, eighty-five million, five hundred fifty-eight thousand, three hundred fifty-five".