52632140 has 24 divisors (see below), whose sum is σ = 120575952. Its totient is φ = 19138880.

The previous prime is 52632133. The next prime is 52632161. The reversal of 52632140 is 4123625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119399 + ... + 119838.

It is an arithmetic number, because the mean of its divisors is an integer number (5023998).

Almost surely, 2^52632140 is an apocalyptic number.

It is an amenable number.

52632140 is an abundant number, since it is smaller than the sum of its proper divisors (67943812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52632140 is a wasteful number, since it uses less digits than its factorization.

52632140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239257 (or 239255 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52632140 is about 7254.8011688812. The cubic root of 52632140 is about 374.7575084132.

Adding to 52632140 its reverse (4123625), we get a palindrome (56755765).

The spelling of 52632140 in words is "fifty-two million, six hundred thirty-two thousand, one hundred forty".