55142373 has 32 divisors (see below), whose sum is σ = 91469952. Its totient is φ = 29030400.

The previous prime is 55142357. The next prime is 55142387. The reversal of 55142373 is 37324155.

It is not a de Polignac number, because 55142373 - 2⁴ = 55142357 is a prime.

It is a super-2 number, since 2×55142373² = 6081362600142258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55142373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3513 + ... + 11073.

It is an arithmetic number, because the mean of its divisors is an integer number (2858436).

Almost surely, 2^55142373 is an apocalyptic number.

It is an amenable number.

55142373 is a deficient number, since it is larger than the sum of its proper divisors (36327579).

55142373 is a wasteful number, since it uses less digits than its factorization.

55142373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605.

The product of its digits is 12600, while the sum is 30.

The square root of 55142373 is about 7425.7910689704. The cubic root of 55142373 is about 380.6231074294.

It can be divided in two parts, 5514 and 2373, that added together give a palindrome (7887).

The spelling of 55142373 in words is "fifty-five million, one hundred forty-two thousand, three hundred seventy-three".