57404650 has 24 divisors (see below), whose sum is σ = 107052300. Its totient is φ = 22901760.

The previous prime is 57404629. The next prime is 57404657. The reversal of 57404650 is 5640475.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 21799561 + 35605089 = 4669^2 + 5967^2 .

It is not an unprimeable number, because it can be changed into a prime (57404657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21172 + ... + 23728.

Almost surely, 2^57404650 is an apocalyptic number.

57404650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57404650 is a deficient number, since it is larger than the sum of its proper divisors (49647650).

57404650 is a wasteful number, since it uses less digits than its factorization.

57404650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57404650 is about 7576.5856426229. The cubic root of 57404650 is about 385.7586659366.

The spelling of 57404650 in words is "fifty-seven million, four hundred four thousand, six hundred fifty".