55939075 has 6 divisors (see below), whose sum is σ = 69364484. Its totient is φ = 44751240.

The previous prime is 55939067. The next prime is 55939109. The reversal of 55939075 is 57093955.

It is not a de Polignac number, because 55939075 - 2³ = 55939067 is a prime.

It is a super-2 number, since 2×55939075² = 6258360223711250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118757 + ... + 1118806.

Almost surely, 2^55939075 is an apocalyptic number.

55939075 is a deficient number, since it is larger than the sum of its proper divisors (13425409).

55939075 is a wasteful number, since it uses less digits than its factorization.

55939075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237573 (or 2237568 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 43.

The square root of 55939075 is about 7479.2429429722. The cubic root of 55939075 is about 382.4474417653.

The spelling of 55939075 in words is "fifty-five million, nine hundred thirty-nine thousand, seventy-five".