51542300540 has 48 divisors (see below), whose sum is σ = 113985234720. Its totient is φ = 19523312640.

The previous prime is 51542300533. The next prime is 51542300569. The reversal of 51542300540 is 4500324515.

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, 881000 + ... + 937680.

It is an arithmetic number, because the mean of its divisors is an integer number (2374692390).

Almost surely, 2^51542300540 is an apocalyptic number.

It is an amenable number.

51542300540 is an abundant number, since it is smaller than the sum of its proper divisors (62442934180).

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

51542300540 is a wasteful number, since it uses less digits than its factorization.

51542300540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59102 (or 59100 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 51542300540 in words is "fifty-one billion, five hundred forty-two million, three hundred thousand, five hundred forty".