55650431351 has 4 divisors (see below), whose sum is σ = 56481034872. Its totient is φ = 54819827832.

The previous prime is 55650431341. The next prime is 55650431377. The reversal of 55650431351 is 15313405655.

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

It is a cyclic number.

It is not a de Polignac number, because 55650431351 - 2¹⁸ = 55650169207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650431321) 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 3 ways as a sum of consecutive naturals, for example, 415301660 + ... + 415301793.

It is an arithmetic number, because the mean of its divisors is an integer number (14120258718).

Almost surely, 2^55650431351 is an apocalyptic number.

55650431351 is a deficient number, since it is larger than the sum of its proper divisors (830603521).

55650431351 is an equidigital number, since it uses as much as digits as its factorization.

55650431351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830603520.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 55650431351 in words is "fifty-five billion, six hundred fifty million, four hundred thirty-one thousand, three hundred fifty-one".