52987499 has 2 divisors, whose sum is σ = 52987500. Its totient is φ = 52987498.

The previous prime is 52987477. The next prime is 52987537. The reversal of 52987499 is 99478925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52987499 - 2⁸ = 52987243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52987499.

It is not a weakly prime, because it can be changed into another prime (52987799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26493749 + 26493750.

It is an arithmetic number, because the mean of its divisors is an integer number (26493750).

Almost surely, 2^52987499 is an apocalyptic number.

52987499 is a deficient number, since it is larger than the sum of its proper divisors (1).

52987499 is an equidigital number, since it uses as much as digits as its factorization.

52987499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 53.

The square root of 52987499 is about 7279.2512664422. The cubic root of 52987499 is about 375.5990401890.

The spelling of 52987499 in words is "fifty-two million, nine hundred eighty-seven thousand, four hundred ninety-nine".