56755442 has 8 divisors (see below), whose sum is σ = 87113136. Its totient is φ = 27717732.

The previous prime is 56755429. The next prime is 56755453. The reversal of 56755442 is 24455765.

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

It is a junction number, because it is equal to n+sod(n) for n = 56755396 and 56755405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329888 + ... + 330059.

It is an arithmetic number, because the mean of its divisors is an integer number (10889142).

Almost surely, 2^56755442 is an apocalyptic number.

56755442 is a deficient number, since it is larger than the sum of its proper divisors (30357694).

56755442 is a wasteful number, since it uses less digits than its factorization.

56755442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659992.

The product of its digits is 168000, while the sum is 38.

The square root of 56755442 is about 7533.6207762271. The cubic root of 56755442 is about 384.2989254076.

The spelling of 56755442 in words is "fifty-six million, seven hundred fifty-five thousand, four hundred forty-two".