53644010431 has 4 divisors (see below), whose sum is σ = 58520738664. Its totient is φ = 48767282200.

The previous prime is 53644010423. The next prime is 53644010443. The reversal of 53644010431 is 13401044635.

It is a happy number.

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 53644010431 - 2³ = 53644010423 is a prime.

It is a super-2 number, since 2×53644010431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53644010393 and 53644010402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53644010471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2438364100 + ... + 2438364121.

It is an arithmetic number, because the mean of its divisors is an integer number (14630184666).

Almost surely, 2^53644010431 is an apocalyptic number.

53644010431 is a deficient number, since it is larger than the sum of its proper divisors (4876728233).

53644010431 is a wasteful number, since it uses less digits than its factorization.

53644010431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876728232.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 53644010431 in words is "fifty-three billion, six hundred forty-four million, ten thousand, four hundred thirty-one".