54949920 has 48 divisors (see below), whose sum is σ = 173093760. Its totient is φ = 14653184.

The previous prime is 54949913. The next prime is 54949969. The reversal of 54949920 is 2994945.

It is a tau number, because it is divible by the number of its divisors (48).

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, 56760 + ... + 57719.

It is an arithmetic number, because the mean of its divisors is an integer number (3606120).

Almost surely, 2^54949920 is an apocalyptic number.

It is an amenable number.

54949920 is an abundant number, since it is smaller than the sum of its proper divisors (118143840).

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

54949920 is a wasteful number, since it uses less digits than its factorization.

54949920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114497 (or 114489 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 54949920 is about 7412.8213252445. The cubic root of 54949920 is about 380.1797856558.

The spelling of 54949920 in words is "fifty-four million, nine hundred forty-nine thousand, nine hundred twenty".