52147620 has 72 divisors (see below), whose sum is σ = 180782784. Its totient is φ = 11919168.

The previous prime is 52147607. The next prime is 52147621. The reversal of 52147620 is 2674125.

It is not an unprimeable number, because it can be changed into a prime (52147621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19434 + ... + 21953.

It is an arithmetic number, because the mean of its divisors is an integer number (2510872).

Almost surely, 2^52147620 is an apocalyptic number.

It is an amenable number.

52147620 is an abundant number, since it is smaller than the sum of its proper divisors (128635164).

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

52147620 is a wasteful number, since it uses less digits than its factorization.

52147620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41409 (or 41404 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52147620 is about 7221.3309022645. The cubic root of 52147620 is about 373.6039828116.

The spelling of 52147620 in words is "fifty-two million, one hundred forty-seven thousand, six hundred twenty".