55372257623 has 8 divisors (see below), whose sum is σ = 55734569520. Its totient is φ = 55010067840.

The previous prime is 55372257617. The next prime is 55372257641. The reversal of 55372257623 is 32675227355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55372257623 - 2⁴ = 55372257607 is a prime.

It is a super-2 number, since 2×55372257623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55372257613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990308 + ... + 1044726.

It is an arithmetic number, because the mean of its divisors is an integer number (6966821190).

Almost surely, 2^55372257623 is an apocalyptic number.

55372257623 is a deficient number, since it is larger than the sum of its proper divisors (362311897).

55372257623 is a wasteful number, since it uses less digits than its factorization.

55372257623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61057.

The product of its digits is 2646000, while the sum is 47.

The spelling of 55372257623 in words is "fifty-five billion, three hundred seventy-two million, two hundred fifty-seven thousand, six hundred twenty-three".