55761723 has 16 divisors (see below), whose sum is σ = 82726560. Its totient is φ = 37122048.

The previous prime is 55761721. The next prime is 55761731. The reversal of 55761723 is 32716755.

It is not a de Polignac number, because 55761723 - 2¹ = 55761721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55761721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32011 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (5170410).

Almost surely, 2^55761723 is an apocalyptic number.

55761723 is a deficient number, since it is larger than the sum of its proper divisors (26964837).

55761723 is a wasteful number, since it uses less digits than its factorization.

55761723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2917 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 55761723 is about 7467.3772504140. The cubic root of 55761723 is about 382.0428371321.

The spelling of 55761723 in words is "fifty-five million, seven hundred sixty-one thousand, seven hundred twenty-three".