51560056154 has 32 divisors (see below), whose sum is σ = 82598486400. Its totient is φ = 24067169280.

The previous prime is 51560056153. The next prime is 51560056213. The reversal of 51560056154 is 45165006515.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (51560056151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7704842 + ... + 7711530.

It is an arithmetic number, because the mean of its divisors is an integer number (2581202700).

Almost surely, 2^51560056154 is an apocalyptic number.

51560056154 is a deficient number, since it is larger than the sum of its proper divisors (31038430246).

51560056154 is a wasteful number, since it uses less digits than its factorization.

51560056154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 51560056154 in words is "fifty-one billion, five hundred sixty million, fifty-six thousand, one hundred fifty-four".