51450112555 has 16 divisors (see below), whose sum is σ = 62434908288. Its totient is φ = 40698000000.

The previous prime is 51450112537. The next prime is 51450112589. The reversal of 51450112555 is 55521105415.

It is not a de Polignac number, because 51450112555 - 2⁵ = 51450112523 is a prime.

It is a super-2 number, since 2×51450112555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51450112555.

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, 311425 + ... + 447085.

It is an arithmetic number, because the mean of its divisors is an integer number (3902181768).

Almost surely, 2^51450112555 is an apocalyptic number.

51450112555 is a deficient number, since it is larger than the sum of its proper divisors (10984795733).

51450112555 is a wasteful number, since it uses less digits than its factorization.

51450112555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136518.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 51450112555 in words is "fifty-one billion, four hundred fifty million, one hundred twelve thousand, five hundred fifty-five".