55461775 has 24 divisors (see below), whose sum is σ = 71669520. Its totient is φ = 42524160.

The previous prime is 55461767. The next prime is 55461793. The reversal of 55461775 is 57716455.

It is a happy number.

It is not a de Polignac number, because 55461775 - 2³ = 55461767 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164407 + ... + 164743.

It is an arithmetic number, because the mean of its divisors is an integer number (2986230).

Almost surely, 2^55461775 is an apocalyptic number.

55461775 is a deficient number, since it is larger than the sum of its proper divisors (16207745).

55461775 is a wasteful number, since it uses less digits than its factorization.

55461775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 598 counting only the distinct ones).

The product of its digits is 147000, while the sum is 40.

The square root of 55461775 is about 7447.2662769636. The cubic root of 55461775 is about 381.3565893855.

The spelling of 55461775 in words is "fifty-five million, four hundred sixty-one thousand, seven hundred seventy-five".