57509954 has 4 divisors (see below), whose sum is σ = 86264934. Its totient is φ = 28754976.

The previous prime is 57509897. The next prime is 57509981. The reversal of 57509954 is 45990575.

It is a happy number.

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., 38105929 + 19404025 = 6173^2 + 4405^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14377487 + ... + 14377490.

Almost surely, 2^57509954 is an apocalyptic number.

57509954 is a deficient number, since it is larger than the sum of its proper divisors (28754980).

57509954 is a wasteful number, since it uses less digits than its factorization.

57509954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28754979.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 57509954 is about 7583.5317629717. The cubic root of 57509954 is about 385.9944024531.

The spelling of 57509954 in words is "fifty-seven million, five hundred nine thousand, nine hundred fifty-four".