57049356 has 96 divisors (see below), whose sum is σ = 165957120. Its totient is φ = 14851584.

The previous prime is 57049319. The next prime is 57049357. The reversal of 57049356 is 65394075.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (57049357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96895 + ... + 97481.

It is an arithmetic number, because the mean of its divisors is an integer number (1728720).

Almost surely, 2^57049356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57049356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82978560).

57049356 is an abundant number, since it is smaller than the sum of its proper divisors (108907764).

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

57049356 is a wasteful number, since it uses less digits than its factorization.

57049356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 57049356 is about 7553.1024089443. The cubic root of 57049356 is about 384.9611609777.

The spelling of 57049356 in words is "fifty-seven million, forty-nine thousand, three hundred fifty-six".