56777223 has 8 divisors (see below), whose sum is σ = 75870448. Its totient is φ = 37767744.

The previous prime is 56777197. The next prime is 56777239. The reversal of 56777223 is 32277765.

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

It is not a de Polignac number, because 56777223 - 2⁶ = 56777159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56770223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19336 + ... + 22077.

It is an arithmetic number, because the mean of its divisors is an integer number (9483806).

Almost surely, 2^56777223 is an apocalyptic number.

56777223 is a deficient number, since it is larger than the sum of its proper divisors (19093225).

56777223 is a wasteful number, since it uses less digits than its factorization.

56777223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41873.

The product of its digits is 123480, while the sum is 39.

The square root of 56777223 is about 7535.0662239956. The cubic root of 56777223 is about 384.3480798385.

The spelling of 56777223 in words is "fifty-six million, seven hundred seventy-seven thousand, two hundred twenty-three".