51853766154 has 64 divisors (see below), whose sum is σ = 108379192320. Its totient is φ = 16520232960.

The previous prime is 51853766131. The next prime is 51853766207. The reversal of 51853766154 is 45166735815.

It is a junction number, because it is equal to n+sod(n) for n = 51853766097 and 51853766106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25707354 + ... + 25709370.

It is an arithmetic number, because the mean of its divisors is an integer number (1693424880).

Almost surely, 2^51853766154 is an apocalyptic number.

51853766154 is an abundant number, since it is smaller than the sum of its proper divisors (56525426166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51853766154 is a wasteful number, since it uses less digits than its factorization.

51853766154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695.

The product of its digits is 3024000, while the sum is 51.

The spelling of 51853766154 in words is "fifty-one billion, eight hundred fifty-three million, seven hundred sixty-six thousand, one hundred fifty-four".