52328907 has 48 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 30364416.

The previous prime is 52328879. The next prime is 52328923. The reversal of 52328907 is 70982325.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-52328907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52328987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136438 + ... + 136820.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 2^52328907 is an apocalyptic number.

52328907 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

52328907 is a deficient number, since it is larger than the sum of its proper divisors (33932853).

52328907 is a wasteful number, since it uses less digits than its factorization.

52328907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52328907 is about 7233.8721995899. The cubic root of 52328907 is about 374.0364168072.

It can be divided in two parts, 52328 and 907, that added together give a palindrome (53235).

The spelling of 52328907 in words is "fifty-two million, three hundred twenty-eight thousand, nine hundred seven".