56266757 has 4 divisors (see below), whose sum is σ = 58207020. Its totient is φ = 54326496.

The previous prime is 56266739. The next prime is 56266789. The reversal of 56266757 is 75766265.

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 44970436 + 11296321 = 6706^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 56266757 - 2²² = 52072453 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 (56266157) 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, 970088 + ... + 970145.

It is an arithmetic number, because the mean of its divisors is an integer number (14551755).

Almost surely, 2^56266757 is an apocalyptic number.

It is an amenable number.

56266757 is a deficient number, since it is larger than the sum of its proper divisors (1940263).

56266757 is a wasteful number, since it uses less digits than its factorization.

56266757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940262.

The product of its digits is 529200, while the sum is 44.

The square root of 56266757 is about 7501.1170501466. The cubic root of 56266757 is about 383.1927599664.

The spelling of 56266757 in words is "fifty-six million, two hundred sixty-six thousand, seven hundred fifty-seven".