53112023731 has 8 divisors (see below), whose sum is σ = 57203892144. Its totient is φ = 49021059360.

The previous prime is 53112023719. The next prime is 53112023803. The reversal of 53112023731 is 13732021135.

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

It is not a de Polignac number, because 53112023731 - 2⁷ = 53112023603 is a prime.

It is a super-2 number, since 2×53112023731² (a number of 22 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 53112023731.

It is not an unprimeable number, because it can be changed into a prime (53112021731) 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, 101440 + ... + 341341.

It is an arithmetic number, because the mean of its divisors is an integer number (7150486518).

Almost surely, 2^53112023731 is an apocalyptic number.

53112023731 is a deficient number, since it is larger than the sum of its proper divisors (4091868413).

53112023731 is a wasteful number, since it uses less digits than its factorization.

53112023731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452021.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 53112023731 its reverse (13732021135), we get a palindrome (66844044866).

The spelling of 53112023731 in words is "fifty-three billion, one hundred twelve million, twenty-three thousand, seven hundred thirty-one".