57383997 has 8 divisors (see below), whose sum is σ = 83467680. Its totient is φ = 34778160.

The previous prime is 57383983. The next prime is 57384013. The reversal of 57383997 is 79938375.

It is a happy number.

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

It is not a de Polignac number, because 57383997 - 2¹² = 57379901 is a prime.

It is a super-3 number, since 3×57383997³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57383497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869422 + ... + 869487.

It is an arithmetic number, because the mean of its divisors is an integer number (10433460).

Almost surely, 2^57383997 is an apocalyptic number.

It is an amenable number.

57383997 is a deficient number, since it is larger than the sum of its proper divisors (26083683).

57383997 is a wasteful number, since it uses less digits than its factorization.

57383997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738923.

The product of its digits is 1428840, while the sum is 51.

The square root of 57383997 is about 7575.2225709876. Note that the first 3 decimals coincide. The cubic root of 57383997 is about 385.7123977372.

The spelling of 57383997 in words is "fifty-seven million, three hundred eighty-three thousand, nine hundred ninety-seven".