55709124 has 24 divisors (see below), whose sum is σ = 133502208. Its totient is φ = 18067680.

The previous prime is 55709099. The next prime is 55709131. The reversal of 55709124 is 42190755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62292 + ... + 63179.

It is an arithmetic number, because the mean of its divisors is an integer number (5562592).

Almost surely, 2^55709124 is an apocalyptic number.

It is an amenable number.

55709124 is an abundant number, since it is smaller than the sum of its proper divisors (77793084).

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

55709124 is a wasteful number, since it uses less digits than its factorization.

55709124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125515 (or 125513 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 55709124 is about 7463.8545001896. The cubic root of 55709124 is about 381.9226746989.

Adding to 55709124 its reverse (42190755), we get a palindrome (97899879).

The spelling of 55709124 in words is "fifty-five million, seven hundred nine thousand, one hundred twenty-four".