52415487 has 6 divisors (see below), whose sum is σ = 75711272. Its totient is φ = 34943652.

The previous prime is 52415479. The next prime is 52415497. The reversal of 52415487 is 78451425.

52415487 is a `hidden beast` number, since 524 + 1 + 54 + 87 = 666.

It is not a de Polignac number, because 52415487 - 2³ = 52415479 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 (52415417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2911963 + ... + 2911980.

Almost surely, 2^52415487 is an apocalyptic number.

52415487 is a deficient number, since it is larger than the sum of its proper divisors (23295785).

52415487 is a wasteful number, since it uses less digits than its factorization.

52415487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823949 (or 5823946 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 52415487 is about 7239.8540731150. The cubic root of 52415487 is about 374.2425885711.

The spelling of 52415487 in words is "fifty-two million, four hundred fifteen thousand, four hundred eighty-seven".