56622303540 has 288 divisors, whose sum is σ = 191881872000. Its totient is φ = 13399280640.

The previous prime is 56622303539. The next prime is 56622303553. The reversal of 56622303540 is 4530322665.

56622303540 is a `hidden beast` number, since 5 + 66 + 22 + 30 + 3 + 540 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 56622303495 and 56622303504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17404554 + ... + 17407806.

It is an arithmetic number, because the mean of its divisors is an integer number (666256500).

Almost surely, 2^56622303540 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 56622303540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95940936000).

56622303540 is an abundant number, since it is smaller than the sum of its proper divisors (135259568460).

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

56622303540 is a wasteful number, since it uses less digits than its factorization.

56622303540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 56622303540 in words is "fifty-six billion, six hundred twenty-two million, three hundred three thousand, five hundred forty".