56952169 has 4 divisors (see below), whose sum is σ = 57917520. Its totient is φ = 55986820.

The previous prime is 56952149. The next prime is 56952187. The reversal of 56952169 is 96125965.

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.

It is a cyclic number.

It is not a de Polignac number, because 56952169 - 2¹⁷ = 56821097 is a prime.

It is a super-2 number, since 2×56952169² = 6487099107609122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56952149) 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, 482587 + ... + 482704.

It is an arithmetic number, because the mean of its divisors is an integer number (14479380).

Almost surely, 2^56952169 is an apocalyptic number.

56952169 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

56952169 is a deficient number, since it is larger than the sum of its proper divisors (965351).

56952169 is an equidigital number, since it uses as much as digits as its factorization.

56952169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965350.

The product of its digits is 145800, while the sum is 43.

The square root of 56952169 is about 7546.6660851001. Note that the first 3 decimals coincide. The cubic root of 56952169 is about 384.7424352501.

Subtracting from 56952169 its product of digits (145800), we obtain a square (56806369 = 7537²).

It can be divided in two parts, 56952 and 169, that added together give a square (57121 = 239²).

The spelling of 56952169 in words is "fifty-six million, nine hundred fifty-two thousand, one hundred sixty-nine".