53400177513 has 24 divisors (see below), whose sum is σ = 78670066592. Its totient is φ = 34896961728.

The previous prime is 53400177503. The next prime is 53400177541. The reversal of 53400177513 is 31577100435.

53400177513 is a `hidden beast` number, since 534 + 0 + 0 + 1 + 77 + 51 + 3 = 666.

It is not a de Polignac number, because 53400177513 - 2²² = 53395983209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53400177503) 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 23 ways as a sum of consecutive naturals, for example, 142231 + ... + 356412.

Almost surely, 2^53400177513 is an apocalyptic number.

It is an amenable number.

53400177513 is a deficient number, since it is larger than the sum of its proper divisors (25269889079).

53400177513 is a wasteful number, since it uses less digits than its factorization.

53400177513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498885 (or 498882 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

Adding to 53400177513 its reverse (31577100435), we get a palindrome (84977277948).

The spelling of 53400177513 in words is "fifty-three billion, four hundred million, one hundred seventy-seven thousand, five hundred thirteen".