53644631154 has 8 divisors (see below), whose sum is σ = 107289262320. Its totient is φ = 17881543716.

The previous prime is 53644631149. The next prime is 53644631171. The reversal of 53644631154 is 45113644635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

53644631154 is an admirable number.

It is an unprimeable number.

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, 4470385924 + ... + 4470385935.

It is an arithmetic number, because the mean of its divisors is an integer number (13411157790).

Almost surely, 2^53644631154 is an apocalyptic number.

53644631154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53644631154 is a wasteful number, since it uses less digits than its factorization.

53644631154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940771864.

The product of its digits is 518400, while the sum is 42.

The spelling of 53644631154 in words is "fifty-three billion, six hundred forty-four million, six hundred thirty-one thousand, one hundred fifty-four".