52028004 has 72 divisors (see below), whose sum is σ = 148683360. Its totient is φ = 14079744.

The previous prime is 52027991. The next prime is 52028017. The reversal of 52028004 is 40082025.

It is an interprime number because it is at equal distance from previous prime (52027991) and next prime (52028017).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8844 + ... + 13500.

Almost surely, 2^52028004 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 52028004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74341680).

52028004 is an abundant number, since it is smaller than the sum of its proper divisors (96655356).

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

52028004 is a wasteful number, since it uses less digits than its factorization.

52028004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 52028004 is about 7213.0440176114. The cubic root of 52028004 is about 373.3181070179.

The spelling of 52028004 in words is "fifty-two million, twenty-eight thousand, four".