53457149475 has 24 divisors (see below), whose sum is σ = 98202764720. Its totient is φ = 28510479360.

The previous prime is 53457149467. The next prime is 53457149563. The reversal of 53457149475 is 57494175435.

53457149475 is a `hidden beast` number, since 5 + 3 + 457 + 149 + 47 + 5 = 666.

53457149475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53457149475 - 2³ = 53457149467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39597214 + ... + 39598563.

Almost surely, 2^53457149475 is an apocalyptic number.

53457149475 is a deficient number, since it is larger than the sum of its proper divisors (44745615245).

53457149475 is a wasteful number, since it uses less digits than its factorization.

53457149475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79195796 (or 79195785 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 53457149475 in words is "fifty-three billion, four hundred fifty-seven million, one hundred forty-nine thousand, four hundred seventy-five".