54400951620 has 96 divisors (see below), whose sum is σ = 178155196800. Its totient is φ = 13743395712.

The previous prime is 54400951573. The next prime is 54400951651. The reversal of 54400951620 is 2615900445.

54400951620 is a `hidden beast` number, since 5 + 4 + 400 + 95 + 162 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2640859 + ... + 2661378.

It is an arithmetic number, because the mean of its divisors is an integer number (1855783300).

Almost surely, 2^54400951620 is an apocalyptic number.

It is an amenable number.

54400951620 is an abundant number, since it is smaller than the sum of its proper divisors (123754245180).

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

54400951620 is a wasteful number, since it uses less digits than its factorization.

54400951620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302274 (or 5302266 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 54400951620 in words is "fifty-four billion, four hundred million, nine hundred fifty-one thousand, six hundred twenty".