53402415731 has 12 divisors (see below), whose sum is σ = 62184429072. Its totient is φ = 45726892848.

The previous prime is 53402415713. The next prime is 53402415739. The reversal of 53402415731 is 13751420435.

It is not a de Polignac number, because 53402415731 - 2¹⁸ = 53402153587 is a prime.

It is a super-2 number, since 2×53402415731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53402415691 and 53402415700.

It is not an unprimeable number, because it can be changed into a prime (53402415739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506180 + ... + 602513.

It is an arithmetic number, because the mean of its divisors is an integer number (5182035756).

Almost surely, 2^53402415731 is an apocalyptic number.

53402415731 is a deficient number, since it is larger than the sum of its proper divisors (8782013341).

53402415731 is a wasteful number, since it uses less digits than its factorization.

53402415731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109690 (or 1109683 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 53402415731 in words is "fifty-three billion, four hundred two million, four hundred fifteen thousand, seven hundred thirty-one".