55652331 has 16 divisors (see below), whose sum is σ = 85114368. Its totient is φ = 31684800.

The previous prime is 55652309. The next prime is 55652351. The reversal of 55652331 is 13325655.

It is not a de Polignac number, because 55652331 - 2⁵ = 55652299 is a prime.

It is a super-2 number, since 2×55652331² = 6194363891467122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55652351) 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, 1186 + ... + 10616.

It is an arithmetic number, because the mean of its divisors is an integer number (5319648).

Almost surely, 2^55652331 is an apocalyptic number.

55652331 is a deficient number, since it is larger than the sum of its proper divisors (29462037).

55652331 is a wasteful number, since it uses less digits than its factorization.

55652331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722.

The product of its digits is 13500, while the sum is 30.

The square root of 55652331 is about 7460.0489944772. The cubic root of 55652331 is about 381.7928461183.

Adding to 55652331 its reverse (13325655), we get a palindrome (68977986).

The spelling of 55652331 in words is "fifty-five million, six hundred fifty-two thousand, three hundred thirty-one".