54406252620 has 144 divisors (see below), whose sum is σ = 178413711840. Its totient is φ = 13373227008.

The previous prime is 54406252619. The next prime is 54406252631. The reversal of 54406252620 is 2625260445.

54406252620 is a `hidden beast` number, since 5 + 4 + 4 + 0 + 6 + 25 + 2 + 620 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88437 + ... + 341516.

It is an arithmetic number, because the mean of its divisors is an integer number (1238984110).

Almost surely, 2^54406252620 is an apocalyptic number.

It is an amenable number.

54406252620 is an abundant number, since it is smaller than the sum of its proper divisors (124007459220).

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

54406252620 is a wasteful number, since it uses less digits than its factorization.

54406252620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430024 (or 430019 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 54406252620 in words is "fifty-four billion, four hundred six million, two hundred fifty-two thousand, six hundred twenty".