56773158 has 32 divisors (see below), whose sum is σ = 125131776. Its totient is φ = 17061408.

The previous prime is 56773147. The next prime is 56773169. The reversal of 56773158 is 85137765.

It is an interprime number because it is at equal distance from previous prime (56773147) and next prime (56773169).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5110 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (3910368).

Almost surely, 2^56773158 is an apocalyptic number.

56773158 is an abundant number, since it is smaller than the sum of its proper divisors (68358618).

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

56773158 is a wasteful number, since it uses less digits than its factorization.

56773158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16988.

The product of its digits is 176400, while the sum is 42.

The square root of 56773158 is about 7534.7964803304. The cubic root of 56773158 is about 384.3389070743.

The spelling of 56773158 in words is "fifty-six million, seven hundred seventy-three thousand, one hundred fifty-eight".