56777673 has 16 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 36793344.

The previous prime is 56777663. The next prime is 56777683. The reversal of 56777673 is 37677765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56777663) and next prime (56777683).

It is not a de Polignac number, because 56777673 - 2⁴ = 56777657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56777653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29113 + ... + 31001.

It is an arithmetic number, because the mean of its divisors is an integer number (4864860).

Almost surely, 2^56777673 is an apocalyptic number.

It is an amenable number.

56777673 is a deficient number, since it is larger than the sum of its proper divisors (21060087).

56777673 is a wasteful number, since it uses less digits than its factorization.

56777673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its digits is 1296540, while the sum is 48.

The square root of 56777673 is about 7535.0960843243. The cubic root of 56777673 is about 384.3490952467.

The spelling of 56777673 in words is "fifty-six million, seven hundred seventy-seven thousand, six hundred seventy-three".