52415650540 has 48 divisors (see below), whose sum is σ = 120108117024. Its totient is φ = 19055692800.

The previous prime is 52415650501. The next prime is 52415650549. The reversal of 52415650540 is 4505651425.

It is a self number, because there is not a number n which added to its sum of digits gives 52415650540.

It is not an unprimeable number, because it can be changed into a prime (52415650549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977302 + ... + 1029538.

It is an arithmetic number, because the mean of its divisors is an integer number (2502252438).

Almost surely, 2^52415650540 is an apocalyptic number.

It is an amenable number.

52415650540 is an abundant number, since it is smaller than the sum of its proper divisors (67692466484).

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

52415650540 is a wasteful number, since it uses less digits than its factorization.

52415650540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56818 (or 56816 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 52415650540 in words is "fifty-two billion, four hundred fifteen million, six hundred fifty thousand, five hundred forty".