55075031 has 8 divisors (see below), whose sum is σ = 62154000. Its totient is φ = 48341440.

The previous prime is 55075021. The next prime is 55075037. The reversal of 55075031 is 13057055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55075031 - 2¹⁰ = 55074007 is a prime.

It is a super-2 number, since 2×55075031² = 6066518079301922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86006 + ... + 86643.

It is an arithmetic number, because the mean of its divisors is an integer number (7769250).

Almost surely, 2^55075031 is an apocalyptic number.

55075031 is a deficient number, since it is larger than the sum of its proper divisors (7078969).

55075031 is a wasteful number, since it uses less digits than its factorization.

55075031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172689.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55075031 is about 7421.2553520277. The cubic root of 55075031 is about 380.4681004222.

The spelling of 55075031 in words is "fifty-five million, seventy-five thousand, thirty-one".