56252212500 has 576 divisors, whose sum is σ = 190499807232. Its totient is φ = 12792000000.

The previous prime is 56252212453. The next prime is 56252212507. The reversal of 56252212500 is 521225265.

It is a super-2 number, since 2×56252212500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56252212507) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 677737459 + ... + 677737541.

It is an arithmetic number, because the mean of its divisors is an integer number (330728832).

Almost surely, 2^56252212500 is an apocalyptic number.

56252212500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56252212500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95249903616).

56252212500 is an abundant number, since it is smaller than the sum of its proper divisors (134247594732).

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

56252212500 is a wasteful number, since it uses less digits than its factorization.

56252212500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 56252212500 its reverse (521225265), we get a palindrome (56773437765).

The spelling of 56252212500 in words is "fifty-six billion, two hundred fifty-two million, two hundred twelve thousand, five hundred".