57007445 has 8 divisors (see below), whose sum is σ = 74628000. Its totient is φ = 41459920.

The previous prime is 57007441. The next prime is 57007451. The reversal of 57007445 is 54470075.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57007445 - 2² = 57007441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57007441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518195 + ... + 518304.

It is an arithmetic number, because the mean of its divisors is an integer number (9328500).

Almost surely, 2^57007445 is an apocalyptic number.

57007445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57007445 is a deficient number, since it is larger than the sum of its proper divisors (17620555).

57007445 is a wasteful number, since it uses less digits than its factorization.

57007445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036515.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 57007445 is about 7550.3274763417. The cubic root of 57007445 is about 384.8668680070.

The spelling of 57007445 in words is "fifty-seven million, seven thousand, four hundred forty-five".