52551125251020 has 384 divisors, whose sum is σ = 187643481984000. Its totient is φ = 12093023692800.

The previous prime is 52551125251007. The next prime is 52551125251043. The reversal of 52551125251020 is 2015252115525.

52551125251020 is a `hidden beast` number, since 5 + 2 + 5 + 5 + 112 + 5 + 2 + 510 + 20 = 666.

It is a super-2 number, since 2×52551125251020² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6095031 + ... + 11926929.

It is an arithmetic number, because the mean of its divisors is an integer number (488654901000).

Almost surely, 2^{52551125251020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52551125251020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93821740992000).

52551125251020 is an abundant number, since it is smaller than the sum of its proper divisors (135092356732980).

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

52551125251020 is a wasteful number, since it uses less digits than its factorization.

52551125251020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832006 (or 5831998 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

Adding to 52551125251020 its reverse (2015252115525), we get a palindrome (54566377366545).

The spelling of 52551125251020 in words is "fifty-two trillion, five hundred fifty-one billion, one hundred twenty-five million, two hundred fifty-one thousand, twenty".