53431540002 has 40 divisors (see below), whose sum is σ = 121168743696. Its totient is φ = 17595924408.

The previous prime is 53431539989. The next prime is 53431540003. The reversal of 53431540002 is 20004513435.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53431540003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1973448 + ... + 2000339.

Almost surely, 2^53431540002 is an apocalyptic number.

53431540002 is an abundant number, since it is smaller than the sum of its proper divisors (67737203694).

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

53431540002 is a wasteful number, since it uses less digits than its factorization.

53431540002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973884 (or 3973875 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 53431540002 in words is "fifty-three billion, four hundred thirty-one million, five hundred forty thousand, two".