57375450 has 144 divisors (see below), whose sum is σ = 171658656. Its totient is φ = 13622400.

The previous prime is 57375449. The next prime is 57375473. The reversal of 57375450 is 5457375.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 331564 + ... + 331736.

It is an arithmetic number, because the mean of its divisors is an integer number (1192074).

Almost surely, 2^57375450 is an apocalyptic number.

57375450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57375450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85829328).

57375450 is an abundant number, since it is smaller than the sum of its proper divisors (114283206).

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

57375450 is a wasteful number, since it uses less digits than its factorization.

57375450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 57375450 is about 7574.6584081396. The cubic root of 57375450 is about 385.6932469418.

The spelling of 57375450 in words is "fifty-seven million, three hundred seventy-five thousand, four hundred fifty".