54535920 has 40 divisors (see below), whose sum is σ = 169062096. Its totient is φ = 14542848.

The previous prime is 54535903. The next prime is 54535931. The reversal of 54535920 is 2953545.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 113377 + ... + 113856.

Almost surely, 2^54535920 is an apocalyptic number.

It is an amenable number.

54535920 is an abundant number, since it is smaller than the sum of its proper divisors (114526176).

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

54535920 is a wasteful number, since it uses less digits than its factorization.

54535920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227249 (or 227243 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 54535920 is about 7384.8439387708. The cubic root of 54535920 is about 379.2226027582. Note that the first 3 decimals are identical.

It can be divided in two parts, 54535 and 920, that added together give a palindrome (55455).

The spelling of 54535920 in words is "fifty-four million, five hundred thirty-five thousand, nine hundred twenty".