56766901 has 4 divisors (see below), whose sum is σ = 56795904. Its totient is φ = 56737900.

The previous prime is 56766887. The next prime is 56766907. The reversal of 56766901 is 10966765.

56766901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10966765 = 5 ⋅2193353.

It is a cyclic number.

It is not a de Polignac number, because 56766901 - 2²¹ = 54669749 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 (56766907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11335 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (14198976).

Almost surely, 2^56766901 is an apocalyptic number.

It is an amenable number.

56766901 is a deficient number, since it is larger than the sum of its proper divisors (29003).

56766901 is a wasteful number, since it uses less digits than its factorization.

56766901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29002.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 56766901 is about 7534.3812619219. The cubic root of 56766901 is about 384.3247871570.

The spelling of 56766901 in words is "fifty-six million, seven hundred sixty-six thousand, nine hundred one".