53746205053631 has 4 divisors (see below), whose sum is σ = 56907746527392. Its totient is φ = 50584663579872.

The previous prime is 53746205053613. The next prime is 53746205053669. The reversal of 53746205053631 is 13635050264735.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53746205053631 is a prime.

It is a super-2 number, since 2×53746205053631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53746205053631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53746205053691) 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, 1580770736855 + ... + 1580770736888.

It is an arithmetic number, because the mean of its divisors is an integer number (14226936631848).

Almost surely, 2^{53746205053631} is an apocalyptic number.

53746205053631 is a deficient number, since it is larger than the sum of its proper divisors (3161541473761).

53746205053631 is a wasteful number, since it uses less digits than its factorization.

53746205053631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161541473760.

The product of its (nonzero) digits is 6804000, while the sum is 50.

The spelling of 53746205053631 in words is "fifty-three trillion, seven hundred forty-six billion, two hundred five million, fifty-three thousand, six hundred thirty-one".