57049212 has 48 divisors (see below), whose sum is σ = 153764352. Its totient is φ = 16270080.

The previous prime is 57049199. The next prime is 57049219. The reversal of 57049212 is 21294075.

It is a super-2 number, since 2×57049212² = 6509225179641888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57049212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57049219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10468 + ... + 14955.

It is an arithmetic number, because the mean of its divisors is an integer number (3203424).

Almost surely, 2^57049212 is an apocalyptic number.

It is an amenable number.

57049212 is an abundant number, since it is smaller than the sum of its proper divisors (96715140).

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

57049212 is a wasteful number, since it uses less digits than its factorization.

57049212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25458 (or 25456 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 57049212 is about 7553.0928764315. The cubic root of 57049212 is about 384.9608370801.

The spelling of 57049212 in words is "fifty-seven million, forty-nine thousand, two hundred twelve".