53430051536 has 20 divisors (see below), whose sum is σ = 109610179812. Its totient is φ = 25143553536.

The previous prime is 53430051517. The next prime is 53430051557. The reversal of 53430051536 is 63515003435.

It can be written as a sum of positive squares in 2 ways, for example, as 39226179136 + 14203872400 = 198056^2 + 119180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53430051496 and 53430051505.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 98216735 + ... + 98217278.

Almost surely, 2^53430051536 is an apocalyptic number.

It is an amenable number.

53430051536 is an abundant number, since it is smaller than the sum of its proper divisors (56180128276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53430051536 is a wasteful number, since it uses less digits than its factorization.

53430051536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196434038 (or 196434032 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 53430051536 in words is "fifty-three billion, four hundred thirty million, fifty-one thousand, five hundred thirty-six".