55440124623 has 48 divisors (see below), whose sum is σ = 93322844160. Its totient is φ = 32633609184.

The previous prime is 55440124547. The next prime is 55440124637. The reversal of 55440124623 is 32642104455.

55440124623 is a `hidden beast` number, since 5 + 5 + 4 + 4 + 0 + 1 + 24 + 623 = 666.

It is not a de Polignac number, because 55440124623 - 2¹⁴ = 55440108239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55440124723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308863 + ... + 454176.

It is an arithmetic number, because the mean of its divisors is an integer number (1944225920).

Almost surely, 2^55440124623 is an apocalyptic number.

55440124623 is a deficient number, since it is larger than the sum of its proper divisors (37882719537).

55440124623 is a wasteful number, since it uses less digits than its factorization.

55440124623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763090 (or 763078 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 55440124623 in words is "fifty-five billion, four hundred forty million, one hundred twenty-four thousand, six hundred twenty-three".