57439802 has 8 divisors (see below), whose sum is σ = 98468256. Its totient is φ = 24617052.

The previous prime is 57439783. The next prime is 57439813. The reversal of 57439802 is 20893475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051408 + ... + 2051435.

It is an arithmetic number, because the mean of its divisors is an integer number (12308532).

Almost surely, 2^57439802 is an apocalyptic number.

57439802 is a deficient number, since it is larger than the sum of its proper divisors (41028454).

57439802 is a wasteful number, since it uses less digits than its factorization.

57439802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102852.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 57439802 is about 7578.9050660369. The cubic root of 57439802 is about 385.8373902309.

The spelling of 57439802 in words is "fifty-seven million, four hundred thirty-nine thousand, eight hundred two".