57460220 has 24 divisors (see below), whose sum is σ = 121371264. Its totient is φ = 22849856.

The previous prime is 57460219. The next prime is 57460241. The reversal of 57460220 is 2206475.

It is a self number, because there is not a number n which added to its sum of digits gives 57460220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4844 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (5057136).

Almost surely, 2^57460220 is an apocalyptic number.

It is an amenable number.

57460220 is an abundant number, since it is smaller than the sum of its proper divisors (63911044).

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

57460220 is a wasteful number, since it uses less digits than its factorization.

57460220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16789 (or 16787 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 57460220 is about 7580.2519747037. The cubic root of 57460220 is about 385.8831024043.

Adding to 57460220 its reverse (2206475), we get a palindrome (59666695).

The spelling of 57460220 in words is "fifty-seven million, four hundred sixty thousand, two hundred twenty".