57488838 has 32 divisors (see below), whose sum is σ = 126852480. Its totient is φ = 17223360.

The previous prime is 57488791. The next prime is 57488839. The reversal of 57488838 is 83888475.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57488839) 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, 981 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (3964140).

Almost surely, 2^57488838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57488838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63426240).

57488838 is an abundant number, since it is smaller than the sum of its proper divisors (69363642).

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

57488838 is a wasteful number, since it uses less digits than its factorization.

57488838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892.

The product of its digits is 1720320, while the sum is 51.

The square root of 57488838 is about 7582.1394078453. The cubic root of 57488838 is about 385.9471546580.

The spelling of 57488838 in words is "fifty-seven million, four hundred eighty-eight thousand, eight hundred thirty-eight".