52497556 has 6 divisors (see below), whose sum is σ = 91870730. Its totient is φ = 26248776.

The previous prime is 52497541. The next prime is 52497559. The reversal of 52497556 is 65579425.

It can be written as a sum of positive squares in only one way, i.e., 40525956 + 11971600 = 6366^2 + 3460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52497559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562191 + ... + 6562198.

Almost surely, 2^52497556 is an apocalyptic number.

It is an amenable number.

52497556 is a deficient number, since it is larger than the sum of its proper divisors (39373174).

52497556 is a wasteful number, since it uses less digits than its factorization.

52497556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124393 (or 13124391 counting only the distinct ones).

The product of its digits is 378000, while the sum is 43.

The square root of 52497556 is about 7245.5197191092. The cubic root of 52497556 is about 374.4378088568.

The spelling of 52497556 in words is "fifty-two million, four hundred ninety-seven thousand, five hundred fifty-six".