53431835406 has 32 divisors (see below), whose sum is σ = 107365733280. Its totient is φ = 17726997504.

The previous prime is 53431835393. The next prime is 53431835441. The reversal of 53431835406 is 60453813435.

It is a super-2 number, since 2×53431835406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4312236 + ... + 4324608.

It is an arithmetic number, because the mean of its divisors is an integer number (3355179165).

Almost surely, 2^53431835406 is an apocalyptic number.

53431835406 is an abundant number, since it is smaller than the sum of its proper divisors (53933897874).

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

53431835406 is a wasteful number, since it uses less digits than its factorization.

53431835406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 53431835406 in words is "fifty-three billion, four hundred thirty-one million, eight hundred thirty-five thousand, four hundred six".