53137809043 has 16 divisors (see below), whose sum is σ = 60763393152. Its totient is φ = 46032840000.

The previous prime is 53137809019. The next prime is 53137809091. The reversal of 53137809043 is 34090873135.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53137809043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (53137809643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1350633 + ... + 1389418.

It is an arithmetic number, because the mean of its divisors is an integer number (3797712072).

Almost surely, 2^53137809043 is an apocalyptic number.

53137809043 is a deficient number, since it is larger than the sum of its proper divisors (7625584109).

53137809043 is a wasteful number, since it uses less digits than its factorization.

53137809043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740146.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 53137809043 in words is "fifty-three billion, one hundred thirty-seven million, eight hundred nine thousand, forty-three".