56122840 has 16 divisors (see below), whose sum is σ = 126276480. Its totient is φ = 22449120.

The previous prime is 56122837. The next prime is 56122853. The reversal of 56122840 is 4822165.

It is a junction number, because it is equal to n+sod(n) for n = 56122799 and 56122808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701496 + ... + 701575.

It is an arithmetic number, because the mean of its divisors is an integer number (7892280).

Almost surely, 2^56122840 is an apocalyptic number.

It is an amenable number.

56122840 is an abundant number, since it is smaller than the sum of its proper divisors (70153640).

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

56122840 is a wasteful number, since it uses less digits than its factorization.

56122840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403082 (or 1403078 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 56122840 is about 7491.5178702316. The cubic root of 56122840 is about 382.8657756702.

The spelling of 56122840 in words is "fifty-six million, one hundred twenty-two thousand, eight hundred forty".