55431059751 has 14 divisors (see below), whose sum is σ = 83108572160. Its totient is φ = 36954039348.

The previous prime is 55431059729. The next prime is 55431059779. The reversal of 55431059751 is 15795013455.

55431059751 is a `hidden beast` number, since 5 + 5 + 4 + 3 + 1 + 0 + 597 + 51 = 666.

It is not a de Polignac number, because 55431059751 - 2⁷ = 55431059623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55431059697 and 55431059706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55631059751) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 38017831 + ... + 38019288.

Almost surely, 2^55431059751 is an apocalyptic number.

55431059751 is a deficient number, since it is larger than the sum of its proper divisors (27677512409).

55431059751 is an frugal number, since it uses more digits than its factorization.

55431059751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76037137 (or 76037122 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 55431059751 in words is "fifty-five billion, four hundred thirty-one million, fifty-nine thousand, seven hundred fifty-one".