54535820 has 24 divisors (see below), whose sum is σ = 118220928. Its totient is φ = 21110400.

The previous prime is 54535807. The next prime is 54535837. The reversal of 54535820 is 2853545.

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, 43361 + ... + 44600.

It is an arithmetic number, because the mean of its divisors is an integer number (4925872).

Almost surely, 2^54535820 is an apocalyptic number.

It is an amenable number.

54535820 is an abundant number, since it is smaller than the sum of its proper divisors (63685108).

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

54535820 is a wasteful number, since it uses less digits than its factorization.

54535820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88001 (or 87999 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 54535820 is about 7384.8371681439. The cubic root of 54535820 is about 379.2223709704. Note that the first 3 decimals are identical.

It can be divided in two parts, 54535 and 820, that added together give a palindrome (55355).

The spelling of 54535820 in words is "fifty-four million, five hundred thirty-five thousand, eight hundred twenty".