55494975 has 48 divisors (see below), whose sum is σ = 97708032. Its totient is φ = 27730560.

The previous prime is 55494941. The next prime is 55494979. The reversal of 55494975 is 57949455.

It is not a de Polignac number, because 55494975 - 2⁶ = 55494911 is a prime.

It is a super-3 number, since 3×55494975³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55494979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91122 + ... + 91728.

It is an arithmetic number, because the mean of its divisors is an integer number (2035584).

Almost surely, 2^55494975 is an apocalyptic number.

55494975 is a deficient number, since it is larger than the sum of its proper divisors (42213057).

55494975 is a wasteful number, since it uses less digits than its factorization.

55494975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 691 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 55494975 is about 7449.4949493237. The cubic root of 55494975 is about 381.4326688911.

The spelling of 55494975 in words is "fifty-five million, four hundred ninety-four thousand, nine hundred seventy-five".