55760121 has 24 divisors (see below), whose sum is σ = 83054400. Its totient is φ = 36027936.

The previous prime is 55760113. The next prime is 55760129. The reversal of 55760121 is 12106755.

55760121 is a `hidden beast` number, since 5 + 57 + 601 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (55760113) and next prime (55760129).

It is not a de Polignac number, because 55760121 - 2³ = 55760113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55760129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57180 + ... + 58146.

It is an arithmetic number, because the mean of its divisors is an integer number (3460600).

Almost surely, 2^55760121 is an apocalyptic number.

It is an amenable number.

55760121 is a deficient number, since it is larger than the sum of its proper divisors (27294279).

55760121 is a wasteful number, since it uses less digits than its factorization.

55760121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 55760121 is about 7467.2699830661. The cubic root of 55760121 is about 382.0391784785.

Adding to 55760121 its reverse (12106755), we get a palindrome (67866876).

The spelling of 55760121 in words is "fifty-five million, seven hundred sixty thousand, one hundred twenty-one".