55712442 has 8 divisors (see below), whose sum is σ = 111424896. Its totient is φ = 18570812.

The previous prime is 55712431. The next prime is 55712453. The reversal of 55712442 is 24421755.

55712442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55712431) and next prime (55712453).

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

55712442 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642698 + ... + 4642709.

It is an arithmetic number, because the mean of its divisors is an integer number (13928112).

Almost surely, 2^55712442 is an apocalyptic number.

55712442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55712442 is a wasteful number, since it uses less digits than its factorization.

55712442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285412.

The product of its digits is 11200, while the sum is 30.

The square root of 55712442 is about 7464.0767680940. The cubic root of 55712442 is about 381.9302569056.

The spelling of 55712442 in words is "fifty-five million, seven hundred twelve thousand, four hundred forty-two".