52470938538 has 32 divisors (see below), whose sum is σ = 119753497920. Its totient is φ = 17017601040.

The previous prime is 52470938537. The next prime is 52470938539. The reversal of 52470938538 is 83583907425.

52470938538 is a `hidden beast` number, since 5 + 2 + 4 + 70 + 9 + 38 + 538 = 666.

It is an interprime number because it is at equal distance from previous prime (52470938537) and next prime (52470938539).

It is a super-3 number, since 3×52470938538³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (52470938537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13128868 + ... + 13132863.

It is an arithmetic number, because the mean of its divisors is an integer number (3742296810).

Almost surely, 2^52470938538 is an apocalyptic number.

52470938538 is an abundant number, since it is smaller than the sum of its proper divisors (67282559382).

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

52470938538 is a wasteful number, since it uses less digits than its factorization.

52470938538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26261779 (or 26261773 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 52470938538 in words is "fifty-two billion, four hundred seventy million, nine hundred thirty-eight thousand, five hundred thirty-eight".