57421450 has 36 divisors (see below), whose sum is σ = 111044790. Its totient is φ = 22065120.

The previous prime is 57421411. The next prime is 57421493. The reversal of 57421450 is 5412475.

57421450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 43125489 + 14295961 = 6567^2 + 3781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 288451 + ... + 288649.

Almost surely, 2^57421450 is an apocalyptic number.

57421450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57421450 is a deficient number, since it is larger than the sum of its proper divisors (53623340).

57421450 is a wasteful number, since it uses less digits than its factorization.

57421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 57421450 is about 7577.6942403346. The cubic root of 57421450 is about 385.7962942093.

The spelling of 57421450 in words is "fifty-seven million, four hundred twenty-one thousand, four hundred fifty".