55490675 has 12 divisors (see below), whose sum is σ = 68994096. Its totient is φ = 44272800.

The previous prime is 55490609. The next prime is 55490681. The reversal of 55490675 is 57609455.

It is not a de Polignac number, because 55490675 - 2²⁰ = 54442099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7130 + ... + 12720.

It is an arithmetic number, because the mean of its divisors is an integer number (5749508).

Almost surely, 2^55490675 is an apocalyptic number.

55490675 is a deficient number, since it is larger than the sum of its proper divisors (13503421).

55490675 is a wasteful number, since it uses less digits than its factorization.

55490675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998 (or 5993 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55490675 is about 7449.2063335633. The cubic root of 55490675 is about 381.4228169310.

It can be divided in two parts, 55490 and 675, that added together give a palindrome (56165).

The spelling of 55490675 in words is "fifty-five million, four hundred ninety thousand, six hundred seventy-five".