57981546 has 24 divisors (see below), whose sum is σ = 143573664. Its totient is φ = 16566120.

The previous prime is 57981541. The next prime is 57981557. The reversal of 57981546 is 64518975.

It is not an unprimeable number, because it can be changed into a prime (57981541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229960 + ... + 230211.

It is an arithmetic number, because the mean of its divisors is an integer number (5982236).

Almost surely, 2^57981546 is an apocalyptic number.

57981546 is an abundant number, since it is smaller than the sum of its proper divisors (85592118).

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

57981546 is a wasteful number, since it uses less digits than its factorization.

57981546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460186 (or 460183 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 57981546 is about 7614.5614450210. The cubic root of 57981546 is about 387.0466061692.

The spelling of 57981546 in words is "fifty-seven million, nine hundred eighty-one thousand, five hundred forty-six".