57199338 has 48 divisors (see below), whose sum is σ = 145642560. Its totient is φ = 16300656.

The previous prime is 57199333. The next prime is 57199361. The reversal of 57199338 is 83399175.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57199293 and 57199302.

It is not an unprimeable number, because it can be changed into a prime (57199333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146848 + ... + 147236.

It is an arithmetic number, because the mean of its divisors is an integer number (3034220).

Almost surely, 2^57199338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57199338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72821280).

57199338 is an abundant number, since it is smaller than the sum of its proper divisors (88443222).

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

57199338 is an equidigital number, since it uses as much as digits as its factorization.

57199338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 401 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 57199338 is about 7563.0243950420. The cubic root of 57199338 is about 385.2982183718.

The spelling of 57199338 in words is "fifty-seven million, one hundred ninety-nine thousand, three hundred thirty-eight".