51142525532 has 48 divisors (see below), whose sum is σ = 102859673280. Its totient is φ = 21795443712.

The previous prime is 51142525519. The next prime is 51142525573. The reversal of 51142525532 is 23552524115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51142525492 and 51142525501.

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, 3663638 + ... + 3677570.

It is an arithmetic number, because the mean of its divisors is an integer number (2142909860).

Almost surely, 2^51142525532 is an apocalyptic number.

It is an amenable number.

51142525532 is an abundant number, since it is smaller than the sum of its proper divisors (51717147748).

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

51142525532 is a wasteful number, since it uses less digits than its factorization.

51142525532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14670 (or 14668 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The spelling of 51142525532 in words is "fifty-one billion, one hundred forty-two million, five hundred twenty-five thousand, five hundred thirty-two".