52621031214252 has 72 divisors (see below), whose sum is σ = 135520019500320. Its totient is φ = 17212989427200.

The previous prime is 52621031214209. The next prime is 52621031214277. The reversal of 52621031214252 is 25241213012625.

52621031214252 is a `hidden beast` number, since 5 + 2 + 6 + 2 + 103 + 121 + 425 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63625552 + ... + 64447287.

It is an arithmetic number, because the mean of its divisors is an integer number (1882222493060).

Almost surely, 2^{52621031214252} is an apocalyptic number.

It is an amenable number.

52621031214252 is an abundant number, since it is smaller than the sum of its proper divisors (82898988286068).

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

52621031214252 is a wasteful number, since it uses less digits than its factorization.

52621031214252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128073063 (or 128073058 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 52621031214252 its reverse (25241213012625), we get a palindrome (77862244226877).

The spelling of 52621031214252 in words is "fifty-two trillion, six hundred twenty-one billion, thirty-one million, two hundred fourteen thousand, two hundred fifty-two".