52649231 has 8 divisors (see below), whose sum is σ = 55219200. Its totient is φ = 50102712.

The previous prime is 52649197. The next prime is 52649249. The reversal of 52649231 is 13294625.

It is a happy number.

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 52649231 - 2⁶ = 52649167 is a prime.

It is a super-2 number, since 2×52649231² = 5543883049782722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52649251) 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, 1175 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (6902400).

Almost surely, 2^52649231 is an apocalyptic number.

52649231 is a deficient number, since it is larger than the sum of its proper divisors (2569969).

52649231 is a wasteful number, since it uses less digits than its factorization.

52649231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725.

The product of its digits is 12960, while the sum is 32.

The square root of 52649231 is about 7255.9789828803. The cubic root of 52649231 is about 374.7980684678.

The spelling of 52649231 in words is "fifty-two million, six hundred forty-nine thousand, two hundred thirty-one".