52906647 has 8 divisors (see below), whose sum is σ = 73609344. Its totient is φ = 33737528.

The previous prime is 52906627. The next prime is 52906681. The reversal of 52906647 is 74660925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52906647 - 2⁷ = 52906519 is a prime.

It is a super-2 number, since 2×52906647² = 5598226593565218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52906627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383313 + ... + 383450.

It is an arithmetic number, because the mean of its divisors is an integer number (9201168).

Almost surely, 2^52906647 is an apocalyptic number.

52906647 is a deficient number, since it is larger than the sum of its proper divisors (20702697).

52906647 is a wasteful number, since it uses less digits than its factorization.

52906647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766789.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 52906647 is about 7273.6955531559. The cubic root of 52906647 is about 375.4079045872.

The spelling of 52906647 in words is "fifty-two million, nine hundred six thousand, six hundred forty-seven".