51537530028055 has 16 divisors (see below), whose sum is σ = 65484144239040. Its totient is φ = 38804038175232.

The previous prime is 51537530027981. The next prime is 51537530028073. The reversal of 51537530028055 is 55082003573515.

It is not a de Polignac number, because 51537530028055 - 2¹¹ = 51537530026007 is a prime.

It is a super-2 number, since 2×51537530028055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561579 + ... + 10168108.

It is an arithmetic number, because the mean of its divisors is an integer number (4092759014940).

Almost surely, 2^{51537530028055} is an apocalyptic number.

51537530028055 is a deficient number, since it is larger than the sum of its proper divisors (13946614210985).

51537530028055 is a wasteful number, since it uses less digits than its factorization.

51537530028055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786218.

The product of its (nonzero) digits is 3150000, while the sum is 49.

The spelling of 51537530028055 in words is "fifty-one trillion, five hundred thirty-seven billion, five hundred thirty million, twenty-eight thousand, fifty-five".