52032557 has 4 divisors (see below), whose sum is σ = 52162716. Its totient is φ = 51902400.

The previous prime is 52032527. The next prime is 52032559. The reversal of 52032557 is 75523025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30261001 + 21771556 = 5501^2 + 4666^2 .

It is a cyclic number.

It is not a de Polignac number, because 52032557 - 2⁶ = 52032493 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 (52032559) 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, 64478 + ... + 65279.

It is an arithmetic number, because the mean of its divisors is an integer number (13040679).

Almost surely, 2^52032557 is an apocalyptic number.

It is an amenable number.

52032557 is a deficient number, since it is larger than the sum of its proper divisors (130159).

52032557 is a wasteful number, since it uses less digits than its factorization.

52032557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130158.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 52032557 is about 7213.3596194838. The cubic root of 52032557 is about 373.3289964597.

The spelling of 52032557 in words is "fifty-two million, thirty-two thousand, five hundred fifty-seven".