53958166537 has 4 divisors (see below), whose sum is σ = 58863454416. Its totient is φ = 49052878660.

The previous prime is 53958166529. The next prime is 53958166547. The reversal of 53958166537 is 73566185935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53958166537 - 2³ = 53958166529 is a prime.

It is a super-2 number, since 2×53958166537² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53958166547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452643923 + ... + 2452643944.

It is an arithmetic number, because the mean of its divisors is an integer number (14715863604).

Almost surely, 2^53958166537 is an apocalyptic number.

It is an amenable number.

53958166537 is a deficient number, since it is larger than the sum of its proper divisors (4905287879).

53958166537 is a wasteful number, since it uses less digits than its factorization.

53958166537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905287878.

The product of its digits is 20412000, while the sum is 58.

The spelling of 53958166537 in words is "fifty-three billion, nine hundred fifty-eight million, one hundred sixty-six thousand, five hundred thirty-seven".