57341820 has 24 divisors (see below), whose sum is σ = 160557264. Its totient is φ = 15291136.

The previous prime is 57341807. The next prime is 57341827. The reversal of 57341820 is 2814375.

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 (57341827) 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, 477789 + ... + 477908.

It is an arithmetic number, because the mean of its divisors is an integer number (6689886).

Almost surely, 2^57341820 is an apocalyptic number.

It is an amenable number.

57341820 is an abundant number, since it is smaller than the sum of its proper divisors (103215444).

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

57341820 is a wasteful number, since it uses less digits than its factorization.

57341820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955709 (or 955707 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 57341820 is about 7572.4381806655. The cubic root of 57341820 is about 385.6178755709.

The spelling of 57341820 in words is "fifty-seven million, three hundred forty-one thousand, eight hundred twenty".