54651580 has 12 divisors (see below), whose sum is σ = 114768360. Its totient is φ = 21860624.

The previous prime is 54651577. The next prime is 54651593. The reversal of 54651580 is 8515645.

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 3 ways as a sum of consecutive naturals, for example, 1366270 + ... + 1366309.

It is an arithmetic number, because the mean of its divisors is an integer number (9564030).

Almost surely, 2^54651580 is an apocalyptic number.

It is an amenable number.

54651580 is an abundant number, since it is smaller than the sum of its proper divisors (60116780).

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

54651580 is a wasteful number, since it uses less digits than its factorization.

54651580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732588 (or 2732586 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 54651580 is about 7392.6706946813. The cubic root of 54651580 is about 379.4904990727.

The spelling of 54651580 in words is "fifty-four million, six hundred fifty-one thousand, five hundred eighty".