55875040 has 48 divisors (see below), whose sum is σ = 142164288. Its totient is φ = 20630016.

The previous prime is 55875023. The next prime is 55875059. The reversal of 55875040 is 4057855.

It is a junction number, because it is equal to n+sod(n) for n = 55874987 and 55875005.

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, 11352 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (2961756).

Almost surely, 2^55875040 is an apocalyptic number.

It is an amenable number.

55875040 is an abundant number, since it is smaller than the sum of its proper divisors (86289248).

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

55875040 is a wasteful number, since it uses less digits than its factorization.

55875040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26891 (or 26883 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 55875040 is about 7474.9608694628. The cubic root of 55875040 is about 382.3014533384.

The spelling of 55875040 in words is "fifty-five million, eight hundred seventy-five thousand, forty".