52550897 has 4 divisors (see below), whose sum is σ = 60058176. Its totient is φ = 45043620.

The previous prime is 52550881. The next prime is 52550899. The reversal of 52550897 is 79805525.

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 52550897 - 2⁴ = 52550881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52550899) 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, 3753629 + ... + 3753642.

It is an arithmetic number, because the mean of its divisors is an integer number (15014544).

Almost surely, 2^52550897 is an apocalyptic number.

It is an amenable number.

52550897 is a deficient number, since it is larger than the sum of its proper divisors (7507279).

52550897 is an equidigital number, since it uses as much as digits as its factorization.

52550897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507278.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 52550897 is about 7249.1997489378. The cubic root of 52550897 is about 374.5645838148.

The spelling of 52550897 in words is "fifty-two million, five hundred fifty thousand, eight hundred ninety-seven".