54377051920 has 40 divisors (see below), whose sum is σ = 126784860696. Its totient is φ = 21689192448.

The previous prime is 54377051899. The next prime is 54377051923. The reversal of 54377051920 is 2915077345.

It can be written as a sum of positive squares in 4 ways, for example, as 19238799616 + 35138252304 = 138704^2 + 187452^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (54377051923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934527 + ... + 991006.

Almost surely, 2^54377051920 is an apocalyptic number.

It is an amenable number.

54377051920 is an abundant number, since it is smaller than the sum of its proper divisors (72407808776).

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

54377051920 is a wasteful number, since it uses less digits than its factorization.

54377051920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925899 (or 1925893 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 54377051920 in words is "fifty-four billion, three hundred seventy-seven million, fifty-one thousand, nine hundred twenty".