57403002 has 16 divisors (see below), whose sum is σ = 114937920. Its totient is φ = 19112352.

The previous prime is 57403001. The next prime is 57403043. The reversal of 57403002 is 20030475.

It is a happy number.

It is a super-2 number, since 2×57403002² = 6590209277224008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57403002.

It is not an unprimeable number, because it can be changed into a prime (57403001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 10737.

It is an arithmetic number, because the mean of its divisors is an integer number (7183620).

Almost surely, 2^57403002 is an apocalyptic number.

57403002 is an abundant number, since it is smaller than the sum of its proper divisors (57534918).

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

57403002 is a wasteful number, since it uses less digits than its factorization.

57403002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 57403002 is about 7576.4768857299. The cubic root of 57403002 is about 385.7549743868.

Adding to 57403002 its reverse (20030475), we get a palindrome (77433477).

The spelling of 57403002 in words is "fifty-seven million, four hundred three thousand, two".