56777201 has 4 divisors (see below), whose sum is σ = 61144692. Its totient is φ = 52409712.

The previous prime is 56777197. The next prime is 56777239. The reversal of 56777201 is 10277765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12952801 + 43824400 = 3599^2 + 6620^2 .

It is a cyclic number.

It is not a de Polignac number, because 56777201 - 2² = 56777197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56777291) 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, 2183726 + ... + 2183751.

It is an arithmetic number, because the mean of its divisors is an integer number (15286173).

Almost surely, 2^56777201 is an apocalyptic number.

It is an amenable number.

56777201 is a deficient number, since it is larger than the sum of its proper divisors (4367491).

56777201 is a wasteful number, since it uses less digits than its factorization.

56777201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367490.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 56777201 is about 7535.0647641543. The cubic root of 56777201 is about 384.3480301962.

The spelling of 56777201 in words is "fifty-six million, seven hundred seventy-seven thousand, two hundred one".