52647567 has 32 divisors (see below), whose sum is σ = 83994624. Its totient is φ = 28704000.

The previous prime is 52647547. The next prime is 52647577. The reversal of 52647567 is 76574625.

It is not a de Polignac number, because 52647567 - 2⁶ = 52647503 is a prime.

It is a super-2 number, since 2×52647567² = 5543532622038978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52647547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39817 + ... + 41117.

It is an arithmetic number, because the mean of its divisors is an integer number (2624832).

Almost surely, 2^52647567 is an apocalyptic number.

52647567 is a deficient number, since it is larger than the sum of its proper divisors (31347057).

52647567 is a wasteful number, since it uses less digits than its factorization.

52647567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its digits is 352800, while the sum is 42.

The square root of 52647567 is about 7255.8643179155. The cubic root of 52647567 is about 374.7941198786.

The spelling of 52647567 in words is "fifty-two million, six hundred forty-seven thousand, five hundred sixty-seven".