57452986 has 4 divisors (see below), whose sum is σ = 86179482. Its totient is φ = 28726492.

The previous prime is 57452981. The next prime is 57452999. The reversal of 57452986 is 68925475.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 72361 = 7575^2 + 269^2 .

It is not an unprimeable number, because it can be changed into a prime (57452981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14363245 + ... + 14363248.

Almost surely, 2^57452986 is an apocalyptic number.

57452986 is a deficient number, since it is larger than the sum of its proper divisors (28726496).

57452986 is a wasteful number, since it uses less digits than its factorization.

57452986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28726495.

The product of its digits is 604800, while the sum is 46.

The square root of 57452986 is about 7579.7747987655. The cubic root of 57452986 is about 385.8669080382.

The spelling of 57452986 in words is "fifty-seven million, four hundred fifty-two thousand, nine hundred eighty-six".