57227700 has 36 divisors (see below), whose sum is σ = 165579680. Its totient is φ = 15260640.

The previous prime is 57227683. The next prime is 57227707. The reversal of 57227700 is 772275.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57227707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95080 + ... + 95679.

Almost surely, 2^57227700 is an apocalyptic number.

57227700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57227700 is an abundant number, since it is smaller than the sum of its proper divisors (108351980).

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

57227700 is a wasteful number, since it uses less digits than its factorization.

57227700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190776 (or 190769 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 57227700 is about 7564.8992062023. The cubic root of 57227700 is about 385.3618905679.

Adding to 57227700 its reverse (772275), we get a palindrome (57999975).

The spelling of 57227700 in words is "fifty-seven million, two hundred twenty-seven thousand, seven hundred".