53150437581 has 16 divisors (see below), whose sum is σ = 72886514688. Its totient is φ = 34426728000.

The previous prime is 53150437577. The next prime is 53150437591. The reversal of 53150437581 is 18573405135.

It is not a de Polignac number, because 53150437581 - 2² = 53150437577 is a prime.

It is a super-2 number, since 2×53150437581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53150437591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263725 + ... + 419346.

It is an arithmetic number, because the mean of its divisors is an integer number (4555407168).

Almost surely, 2^53150437581 is an apocalyptic number.

It is an amenable number.

53150437581 is a deficient number, since it is larger than the sum of its proper divisors (19736077107).

53150437581 is a wasteful number, since it uses less digits than its factorization.

53150437581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683812.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 53150437581 in words is "fifty-three billion, one hundred fifty million, four hundred thirty-seven thousand, five hundred eighty-one".