56552069 has 4 divisors (see below), whose sum is σ = 64630944. Its totient is φ = 48473196.

The previous prime is 56552039. The next prime is 56552077. The reversal of 56552069 is 96025565.

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: 96025565 = 5 ⋅19205113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56552069 is a prime.

It is a super-2 number, since 2×56552069² = 6396273016361522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56552039) 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, 4039427 + ... + 4039440.

It is an arithmetic number, because the mean of its divisors is an integer number (16157736).

Almost surely, 2^56552069 is an apocalyptic number.

It is an amenable number.

56552069 is a deficient number, since it is larger than the sum of its proper divisors (8078875).

56552069 is an equidigital number, since it uses as much as digits as its factorization.

56552069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078874.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 56552069 is about 7520.1109699259. The cubic root of 56552069 is about 383.8393538282.

The spelling of 56552069 in words is "fifty-six million, five hundred fifty-two thousand, sixty-nine".