57423786 has 24 divisors (see below), whose sum is σ = 133598880. Its totient is φ = 16406712.

The previous prime is 57423781. The next prime is 57423803. The reversal of 57423786 is 68732475.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57423781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97366 + ... + 97953.

It is an arithmetic number, because the mean of its divisors is an integer number (5566620).

Almost surely, 2^57423786 is an apocalyptic number.

57423786 is an abundant number, since it is smaller than the sum of its proper divisors (76175094).

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

57423786 is a wasteful number, since it uses less digits than its factorization.

57423786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195338 (or 195331 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 57423786 is about 7577.8483753636. The cubic root of 57423786 is about 385.8015257498.

The spelling of 57423786 in words is "fifty-seven million, four hundred twenty-three thousand, seven hundred eighty-six".