53137920105 has 80 divisors (see below), whose sum is σ = 99038016000. Its totient is φ = 27227819520.

The previous prime is 53137920029. The next prime is 53137920107. The reversal of 53137920105 is 50102973135.

53137920105 is a `hidden beast` number, since 531 + 37 + 92 + 0 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 53137920105 - 2¹² = 53137916009 is a prime.

It is a super-2 number, since 2×53137920105² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53137920105.

It is not an unprimeable number, because it can be changed into a prime (53137920107) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1729921 + ... + 1760369.

It is an arithmetic number, because the mean of its divisors is an integer number (1237975200).

Almost surely, 2^53137920105 is an apocalyptic number.

It is an amenable number.

53137920105 is a deficient number, since it is larger than the sum of its proper divisors (45900095895).

53137920105 is a wasteful number, since it uses less digits than its factorization.

53137920105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30636 (or 30627 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The spelling of 53137920105 in words is "fifty-three billion, one hundred thirty-seven million, nine hundred twenty thousand, one hundred five".