56775158 has 8 divisors (see below), whose sum is σ = 92904840. Its totient is φ = 25806880.

The previous prime is 56775151. The next prime is 56775181. The reversal of 56775158 is 85157765.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56775151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290323 + ... + 1290366.

It is an arithmetic number, because the mean of its divisors is an integer number (11613105).

Almost surely, 2^56775158 is an apocalyptic number.

56775158 is a deficient number, since it is larger than the sum of its proper divisors (36129682).

56775158 is a wasteful number, since it uses less digits than its factorization.

56775158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580702.

The product of its digits is 294000, while the sum is 44.

The square root of 56775158 is about 7534.9291967476. The cubic root of 56775158 is about 384.3434201741.

The spelling of 56775158 in words is "fifty-six million, seven hundred seventy-five thousand, one hundred fifty-eight".