57405428 has 12 divisors (see below), whose sum is σ = 103700352. Its totient is φ = 27776760.

The previous prime is 57405427. The next prime is 57405431. The reversal of 57405428 is 82450475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57405421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231350 + ... + 231597.

It is an arithmetic number, because the mean of its divisors is an integer number (8641696).

Almost surely, 2^57405428 is an apocalyptic number.

It is an amenable number.

57405428 is a deficient number, since it is larger than the sum of its proper divisors (46294924).

57405428 is a wasteful number, since it uses less digits than its factorization.

57405428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462982 (or 462980 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 57405428 is about 7576.6369848370. The cubic root of 57405428 is about 385.7604086461.

The spelling of 57405428 in words is "fifty-seven million, four hundred five thousand, four hundred twenty-eight".