57077216 has 48 divisors (see below), whose sum is σ = 135192960. Its totient is φ = 23172480.

The previous prime is 57077201. The next prime is 57077219. The reversal of 57077216 is 61277075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57077219) 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, 2450 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (2816520).

Almost surely, 2^57077216 is an apocalyptic number.

57077216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57077216 is an abundant number, since it is smaller than the sum of its proper divisors (78115744).

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

57077216 is a wasteful number, since it uses less digits than its factorization.

57077216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447 (or 13439 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 57077216 is about 7554.9464591088. The cubic root of 57077216 is about 385.0238159215.

The spelling of 57077216 in words is "fifty-seven million, seventy-seven thousand, two hundred sixteen".