52129476 has 72 divisors (see below), whose sum is σ = 155477504. Its totient is φ = 14411520.

The previous prime is 52129471. The next prime is 52129481. The reversal of 52129476 is 67492125.

It is an interprime number because it is at equal distance from previous prime (52129471) and next prime (52129481).

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52129476.

It is not an unprimeable number, because it can be changed into a prime (52129471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4476 + ... + 11148.

Almost surely, 2^52129476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52129476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77738752).

52129476 is an abundant number, since it is smaller than the sum of its proper divisors (103348028).

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

52129476 is a wasteful number, since it uses less digits than its factorization.

52129476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6716 counting only the distinct ones).

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

The square root of 52129476 is about 7220.0745148509. The cubic root of 52129476 is about 373.5606477755.

The spelling of 52129476 in words is "fifty-two million, one hundred twenty-nine thousand, four hundred seventy-six".