52129368 has 48 divisors (see below), whose sum is σ = 144635400. Its totient is φ = 16951680.

The previous prime is 52129367. The next prime is 52129381. The reversal of 52129368 is 86392125.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52129367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5878 + ... + 11781.

Almost surely, 2^52129368 is an apocalyptic number.

It is an amenable number.

52129368 is an abundant number, since it is smaller than the sum of its proper divisors (92506032).

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

52129368 is a wasteful number, since it uses less digits than its factorization.

52129368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17712 (or 17705 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52129368 is about 7220.0670356999. The cubic root of 52129368 is about 373.5603897987.

The spelling of 52129368 in words is "fifty-two million, one hundred twenty-nine thousand, three hundred sixty-eight".