53137619216731 has 16 divisors (see below), whose sum is σ = 62216561534400. Its totient is φ = 44430878430720.

The previous prime is 53137619216687. The next prime is 53137619216743. The reversal of 53137619216731 is 13761291673135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53137619216731 is a prime.

It is a super-2 number, since 2×53137619216731² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53137619217731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7235056 + ... + 12594493.

It is an arithmetic number, because the mean of its divisors is an integer number (3888535095900).

Almost surely, 2^{53137619216731} is an apocalyptic number.

53137619216731 is a deficient number, since it is larger than the sum of its proper divisors (9078942317669).

53137619216731 is a wasteful number, since it uses less digits than its factorization.

53137619216731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19838934.

The product of its digits is 4286520, while the sum is 55.

The spelling of 53137619216731 in words is "fifty-three trillion, one hundred thirty-seven billion, six hundred nineteen million, two hundred sixteen thousand, seven hundred thirty-one".