52146438640506 has 64 divisors (see below), whose sum is σ = 132804300902400. Its totient is φ = 14857481086128.

The previous prime is 52146438640487. The next prime is 52146438640511. The reversal of 52146438640506 is 60504683464125.

52146438640506 is a `hidden beast` number, since 5 + 2 + 1 + 4 + 64 + 38 + 6 + 40 + 506 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192000150 + ... + 192271553.

It is an arithmetic number, because the mean of its divisors is an integer number (2075067201600).

Almost surely, 2^{52146438640506} is an apocalyptic number.

52146438640506 is an abundant number, since it is smaller than the sum of its proper divisors (80657862261894).

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

52146438640506 is a wasteful number, since it uses less digits than its factorization.

52146438640506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384272080 (or 384272074 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 52146438640506 in words is "fifty-two trillion, one hundred forty-six billion, four hundred thirty-eight million, six hundred forty thousand, five hundred six".