54571812 has 48 divisors (see below), whose sum is σ = 129868032. Its totient is φ = 17832960.

The previous prime is 54571789. The next prime is 54571837. The reversal of 54571812 is 21817545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201237 + ... + 201507.

It is an arithmetic number, because the mean of its divisors is an integer number (2705584).

Almost surely, 2^54571812 is an apocalyptic number.

It is an amenable number.

54571812 is an abundant number, since it is smaller than the sum of its proper divisors (75296220).

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

54571812 is a wasteful number, since it uses less digits than its factorization.

54571812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 546 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 54571812 is about 7387.2736513547. The cubic root of 54571812 is about 379.3057777419.

The spelling of 54571812 in words is "fifty-four million, five hundred seventy-one thousand, eight hundred twelve".