557502438 has 32 divisors (see below), whose sum is σ = 1178012160. Its totient is φ = 175605920.

The previous prime is 557502433. The next prime is 557502443. The reversal of 557502438 is 834205755.

It is an interprime number because it is at equal distance from previous prime (557502433) and next prime (557502443).

It is a junction number, because it is equal to n+sod(n) for n = 557502396 and 557502405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557502433) 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 15 ways as a sum of consecutive naturals, for example, 25908 + ... + 42263.

It is an arithmetic number, because the mean of its divisors is an integer number (36812880).

Almost surely, 2^557502438 is an apocalyptic number.

557502438 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

557502438 is an abundant number, since it is smaller than the sum of its proper divisors (620509722).

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

557502438 is a wasteful number, since it uses less digits than its factorization.

557502438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68252.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 557502438 is about 23611.4895336995. The cubic root of 557502438 is about 823.0298568834.

The spelling of 557502438 in words is "five hundred fifty-seven million, five hundred two thousand, four hundred thirty-eight".