55677650231 has 4 divisors (see below), whose sum is σ = 63631600272. Its totient is φ = 47723700192.

The previous prime is 55677650227. The next prime is 55677650309. The reversal of 55677650231 is 13205677655.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55677650231 - 2² = 55677650227 is a prime.

It is a super-2 number, since 2×55677650231² (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 (55677656231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976975010 + ... + 3976975023.

It is an arithmetic number, because the mean of its divisors is an integer number (15907900068).

Almost surely, 2^55677650231 is an apocalyptic number.

55677650231 is a deficient number, since it is larger than the sum of its proper divisors (7953950041).

55677650231 is an equidigital number, since it uses as much as digits as its factorization.

55677650231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953950040.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 55677650231 in words is "fifty-five billion, six hundred seventy-seven million, six hundred fifty thousand, two hundred thirty-one".