57003450 has 72 divisors (see below), whose sum is σ = 162260448. Its totient is φ = 12973440.

The previous prime is 57003391. The next prime is 57003469. The reversal of 57003450 is 5430075.

It is a self number, because there is not a number n which added to its sum of digits gives 57003450.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 244534 + ... + 244766.

Almost surely, 2^57003450 is an apocalyptic number.

57003450 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 57003450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81130224).

57003450 is an abundant number, since it is smaller than the sum of its proper divisors (105256998).

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

57003450 is a wasteful number, since it uses less digits than its factorization.

57003450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 57003450 is about 7550.0629136452. The cubic root of 57003450 is about 384.8578774909.

The spelling of 57003450 in words is "fifty-seven million, three thousand, four hundred fifty".