54546820 has 24 divisors (see below), whose sum is σ = 114902424. Its totient is φ = 21751296.

The previous prime is 54546799. The next prime is 54546889. The reversal of 54546820 is 2864545.

It can be written as a sum of positive squares in 4 ways, for example, as 1577536 + 52969284 = 1256^2 + 7278^2 .

It is a super-2 number, since 2×54546820² = 5950711144224800, which contains 22 as substring.

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, 2694 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (4787601).

Almost surely, 2^54546820 is an apocalyptic number.

It is an amenable number.

54546820 is an abundant number, since it is smaller than the sum of its proper divisors (60355604).

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

54546820 is a wasteful number, since it uses less digits than its factorization.

54546820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 54546820 is about 7385.5818998912. The cubic root of 54546820 is about 379.2478659304.

The spelling of 54546820 in words is "fifty-four million, five hundred forty-six thousand, eight hundred twenty".