56121342 has 16 divisors (see below), whose sum is σ = 114083472. Its totient is φ = 18400320.

The previous prime is 56121319. The next prime is 56121343. The reversal of 56121342 is 24312165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76303 + ... + 77034.

It is an arithmetic number, because the mean of its divisors is an integer number (7130217).

Almost surely, 2^56121342 is an apocalyptic number.

56121342 is an abundant number, since it is smaller than the sum of its proper divisors (57962130).

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

56121342 is a wasteful number, since it uses less digits than its factorization.

56121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153403.

The product of its digits is 1440, while the sum is 24.

The square root of 56121342 is about 7491.4178898257. The cubic root of 56121342 is about 382.8623692256.

The spelling of 56121342 in words is "fifty-six million, one hundred twenty-one thousand, three hundred forty-two".