57451650 has 24 divisors (see below), whose sum is σ = 142480464. Its totient is φ = 15320400.

The previous prime is 57451643. The next prime is 57451651. The reversal of 57451650 is 5615475.

It is not an unprimeable number, because it can be changed into a prime (57451651) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 191356 + ... + 191655.

It is an arithmetic number, because the mean of its divisors is an integer number (5936686).

Almost surely, 2^57451650 is an apocalyptic number.

57451650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57451650 is an abundant number, since it is smaller than the sum of its proper divisors (85028814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57451650 is a wasteful number, since it uses less digits than its factorization.

57451650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383026 (or 383021 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 57451650 is about 7579.6866689857. The cubic root of 57451650 is about 385.8639170582.

The spelling of 57451650 in words is "fifty-seven million, four hundred fifty-one thousand, six hundred fifty".