55969123 has 12 divisors (see below), whose sum is σ = 66868752. Its totient is φ = 46675440.

The previous prime is 55969099. The next prime is 55969129. The reversal of 55969123 is 32196955.

It is a happy number.

It is not a de Polignac number, because 55969123 - 2⁹ = 55968611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55969129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13623 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (5572396).

Almost surely, 2^55969123 is an apocalyptic number.

55969123 is a deficient number, since it is larger than the sum of its proper divisors (10899629).

55969123 is a wasteful number, since it uses less digits than its factorization.

55969123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922 (or 30915 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 55969123 is about 7481.2514327484. The cubic root of 55969123 is about 382.5159074649.

The spelling of 55969123 in words is "fifty-five million, nine hundred sixty-nine thousand, one hundred twenty-three".