54400531313 has 8 divisors (see below), whose sum is σ = 55043663400. Its totient is φ = 53761106560.

The previous prime is 54400531309. The next prime is 54400531337. The reversal of 54400531313 is 31313500445.

54400531313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30377701264 + 24022830049 = 174292^2 + 154993^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54400531313 - 2² = 54400531309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54400531363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897308 + ... + 956013.

It is an arithmetic number, because the mean of its divisors is an integer number (6880457925).

Almost surely, 2^54400531313 is an apocalyptic number.

It is an amenable number.

54400531313 is a deficient number, since it is larger than the sum of its proper divisors (643132087).

54400531313 is a wasteful number, since it uses less digits than its factorization.

54400531313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853667.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 54400531313 in words is "fifty-four billion, four hundred million, five hundred thirty-one thousand, three hundred thirteen".