51607016555 has 16 divisors (see below), whose sum is σ = 64127306880. Its totient is φ = 39822507648.

The previous prime is 51607016533. The next prime is 51607016597. The reversal of 51607016555 is 55561070615.

It is a cyclic number.

It is not a de Polignac number, because 51607016555 - 2²⁶ = 51539907691 is a prime.

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, 28787 + ... + 322556.

It is an arithmetic number, because the mean of its divisors is an integer number (4007956680).

Almost surely, 2^51607016555 is an apocalyptic number.

51607016555 is a deficient number, since it is larger than the sum of its proper divisors (12520290325).

51607016555 is a wasteful number, since it uses less digits than its factorization.

51607016555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352390.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 51607016555 in words is "fifty-one billion, six hundred seven million, sixteen thousand, five hundred fifty-five".