52426487 has 16 divisors (see below), whose sum is σ = 58413312. Its totient is φ = 46824960.

The previous prime is 52426459. The next prime is 52426513. The reversal of 52426487 is 78462425.

It is a cyclic number.

It is not a de Polignac number, because 52426487 - 2¹⁶ = 52360951 is a prime.

It is a super-2 number, since 2×52426487² = 5497073078322338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52426487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52426427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26993 + ... + 28869.

It is an arithmetic number, because the mean of its divisors is an integer number (3650832).

Almost surely, 2^52426487 is an apocalyptic number.

52426487 is a deficient number, since it is larger than the sum of its proper divisors (5986825).

52426487 is a wasteful number, since it uses less digits than its factorization.

52426487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978.

The product of its digits is 107520, while the sum is 38.

The square root of 52426487 is about 7240.6137170823. The cubic root of 52426487 is about 374.2687664609.

The spelling of 52426487 in words is "fifty-two million, four hundred twenty-six thousand, four hundred eighty-seven".