52403004 has 48 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 17413488.

The previous prime is 52403003. The next prime is 52403009. The reversal of 52403004 is 40030425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52403003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49917 + ... + 50955.

It is an arithmetic number, because the mean of its divisors is an integer number (2839200).

Almost surely, 2^52403004 is an apocalyptic number.

52403004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52403004 is an abundant number, since it is smaller than the sum of its proper divisors (83878596).

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

52403004 is a wasteful number, since it uses less digits than its factorization.

52403004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52403004 is about 7238.9919187688. The cubic root of 52403004 is about 374.2128769889.

Adding to 52403004 its reverse (40030425), we get a palindrome (92433429).

The spelling of 52403004 in words is "fifty-two million, four hundred three thousand, four".