52609144 has 24 divisors (see below), whose sum is σ = 114747840. Its totient is φ = 22546608.

The previous prime is 52609097. The next prime is 52609147. The reversal of 52609144 is 44190625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66712 + ... + 67495.

It is an arithmetic number, because the mean of its divisors is an integer number (4781160).

Almost surely, 2^52609144 is an apocalyptic number.

It is an amenable number.

52609144 is an abundant number, since it is smaller than the sum of its proper divisors (62138696).

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

52609144 is a wasteful number, since it uses less digits than its factorization.

52609144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134227 (or 134216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52609144 is about 7253.2161142489. The cubic root of 52609144 is about 374.7029208609.

Adding to 52609144 its reverse (44190625), we get a palindrome (96799769).

The spelling of 52609144 in words is "fifty-two million, six hundred nine thousand, one hundred forty-four".