55672394731 has 8 divisors (see below), whose sum is σ = 57482812800. Its totient is φ = 53862885120.

The previous prime is 55672394693. The next prime is 55672394747. The reversal of 55672394731 is 13749327655.

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 55672394731 - 2¹⁷ = 55672263659 is a prime.

It is a super-2 number, since 2×55672394731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55672394831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101446 + ... + 348763.

It is an arithmetic number, because the mean of its divisors is an integer number (7185351600).

Almost surely, 2^55672394731 is an apocalyptic number.

55672394731 is a deficient number, since it is larger than the sum of its proper divisors (1810418069).

55672394731 is a wasteful number, since it uses less digits than its factorization.

55672394731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454229.

The product of its digits is 4762800, while the sum is 52.

The spelling of 55672394731 in words is "fifty-five billion, six hundred seventy-two million, three hundred ninety-four thousand, seven hundred thirty-one".