53188027497 has 48 divisors (see below), whose sum is σ = 85245990336. Its totient is φ = 31684176000.

The previous prime is 53188027427. The next prime is 53188027499. The reversal of 53188027497 is 79472088135.

It is a happy number.

53188027497 is a `hidden beast` number, since 53 + 1 + 8 + 80 + 27 + 497 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-53188027497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53188027499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12867043 + ... + 12871175.

It is an arithmetic number, because the mean of its divisors is an integer number (1775958132).

Almost surely, 2^53188027497 is an apocalyptic number.

It is an amenable number.

53188027497 is a deficient number, since it is larger than the sum of its proper divisors (32057962839).

53188027497 is a wasteful number, since it uses less digits than its factorization.

53188027497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342 (or 6339 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 53188027497 in words is "fifty-three billion, one hundred eighty-eight million, twenty-seven thousand, four hundred ninety-seven".