55075510 has 32 divisors (see below), whose sum is σ = 115617600. Its totient is φ = 18881856.

The previous prime is 55075483. The next prime is 55075511. The reversal of 55075510 is 1557055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55075511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 11458.

It is an arithmetic number, because the mean of its divisors is an integer number (3613050).

Almost surely, 2^55075510 is an apocalyptic number.

55075510 is an abundant number, since it is smaller than the sum of its proper divisors (60542090).

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

55075510 is a wasteful number, since it uses less digits than its factorization.

55075510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16085 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 55075510 is about 7421.2876241256. The cubic root of 55075510 is about 380.4692034247.

The spelling of 55075510 in words is "fifty-five million, seventy-five thousand, five hundred ten".