56121022 has 8 divisors (see below), whose sum is σ = 88612200. Its totient is φ = 26583624.

The previous prime is 56121017. The next prime is 56121053. The reversal of 56121022 is 22012165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56121022² = 6299138220648968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 738397 + ... + 738472.

It is an arithmetic number, because the mean of its divisors is an integer number (11076525).

Almost surely, 2^56121022 is an apocalyptic number.

56121022 is a deficient number, since it is larger than the sum of its proper divisors (32491178).

56121022 is a wasteful number, since it uses less digits than its factorization.

56121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476890.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 56121022 is about 7491.3965320226. The cubic root of 56121022 is about 382.8616415393.

Adding to 56121022 its reverse (22012165), we get a palindrome (78133187).

The spelling of 56121022 in words is "fifty-six million, one hundred twenty-one thousand, twenty-two".