52559997 has 12 divisors (see below), whose sum is σ = 81521856. Its totient is φ = 30034200.

The previous prime is 52559981. The next prime is 52560031. The reversal of 52559997 is 79995525.

It is not a de Polignac number, because 52559997 - 2⁴ = 52559981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52559917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178629 + ... + 178922.

It is an arithmetic number, because the mean of its divisors is an integer number (6793488).

Almost surely, 2^52559997 is an apocalyptic number.

It is an amenable number.

52559997 is a deficient number, since it is larger than the sum of its proper divisors (28961859).

52559997 is a wasteful number, since it uses less digits than its factorization.

52559997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357568 (or 357561 counting only the distinct ones).

The product of its digits is 1275750, while the sum is 51.

The square root of 52559997 is about 7249.8273772553. The cubic root of 52559997 is about 374.5862031159.

Subtracting 52559997 from its reverse (79995525), we obtain a triangular number (27435528 = T₇₄₀₇).

The spelling of 52559997 in words is "fifty-two million, five hundred fifty-nine thousand, nine hundred ninety-seven".