54707920 has 40 divisors (see below), whose sum is σ = 131587560. Its totient is φ = 21127680.

The previous prime is 54707909. The next prime is 54707951. The reversal of 54707920 is 2970745.

It can be written as a sum of positive squares in 4 ways, for example, as 2521744 + 52186176 = 1588^2 + 7224^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9471 + ... + 14110.

It is an arithmetic number, because the mean of its divisors is an integer number (3289689).

Almost surely, 2^54707920 is an apocalyptic number.

It is an amenable number.

54707920 is an abundant number, since it is smaller than the sum of its proper divisors (76879640).

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

54707920 is a wasteful number, since it uses less digits than its factorization.

54707920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623 (or 23617 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 54707920 is about 7396.4802440080. The cubic root of 54707920 is about 379.6208591459.

The spelling of 54707920 in words is "fifty-four million, seven hundred seven thousand, nine hundred twenty".