54774577720 has 32 divisors (see below), whose sum is σ = 123267484800. Its totient is φ = 21905442688.

The previous prime is 54774577681. The next prime is 54774577771. The reversal of 54774577720 is 2777547745.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68886 + ... + 338074.

It is an arithmetic number, because the mean of its divisors is an integer number (3852108900).

Almost surely, 2^54774577720 is an apocalyptic number.

It is an amenable number.

54774577720 is an abundant number, since it is smaller than the sum of its proper divisors (68492907080).

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

54774577720 is a wasteful number, since it uses less digits than its factorization.

54774577720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274287 (or 274283 counting only the distinct ones).

The product of its (nonzero) digits is 13445600, while the sum is 55.

The spelling of 54774577720 in words is "fifty-four billion, seven hundred seventy-four million, five hundred seventy-seven thousand, seven hundred twenty".