55631610401 has 4 divisors (see below), whose sum is σ = 55632273600. Its totient is φ = 55630947204.

The previous prime is 55631610389. The next prime is 55631610457. The reversal of 55631610401 is 10401613655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55631610401 - 2²⁶ = 55564501537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55631610701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183821 + ... + 380858.

It is an arithmetic number, because the mean of its divisors is an integer number (13908068400).

Almost surely, 2^55631610401 is an apocalyptic number.

It is an amenable number.

55631610401 is a deficient number, since it is larger than the sum of its proper divisors (663199).

55631610401 is an equidigital number, since it uses as much as digits as its factorization.

55631610401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663198.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 55631610401 in words is "fifty-five billion, six hundred thirty-one million, six hundred ten thousand, four hundred one".