54775940 has 24 divisors (see below), whose sum is σ = 116325720. Its totient is φ = 21663488.

The previous prime is 54775927. The next prime is 54775943. The reversal of 54775940 is 4957745.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 54434884 = 584^2 + 7378^2 .

It is not an unprimeable number, because it can be changed into a prime (54775943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13607 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (4846905).

Almost surely, 2^54775940 is an apocalyptic number.

It is an amenable number.

54775940 is an abundant number, since it is smaller than the sum of its proper divisors (61549780).

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

54775940 is a wasteful number, since it uses less digits than its factorization.

54775940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30871 (or 30869 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 54775940 is about 7401.0769486609. The cubic root of 54775940 is about 379.7781253245.

The spelling of 54775940 in words is "fifty-four million, seven hundred seventy-five thousand, nine hundred forty".