56820212310 has 96 divisors (see below), whose sum is σ = 152390136672. Its totient is φ = 13510149120.

The previous prime is 56820212287. The next prime is 56820212321. The reversal of 56820212310 is 1321202865.

It is a super-2 number, since 2×56820212310² (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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29800 + ... + 338420.

It is an arithmetic number, because the mean of its divisors is an integer number (1587397257).

Almost surely, 2^56820212310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56820212310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76195068336).

56820212310 is an abundant number, since it is smaller than the sum of its proper divisors (95569924362).

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

56820212310 is a wasteful number, since it uses less digits than its factorization.

56820212310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308686 (or 308667 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 56820212310 in words is "fifty-six billion, eight hundred twenty million, two hundred twelve thousand, three hundred ten".