57633390 has 64 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 15224832.

The previous prime is 57633361. The next prime is 57633391. The reversal of 57633390 is 9333675.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57633391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29566 + ... + 31454.

It is an arithmetic number, because the mean of its divisors is an integer number (2423925).

Almost surely, 2^57633390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57633390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77565600).

57633390 is an abundant number, since it is smaller than the sum of its proper divisors (97497810).

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

57633390 is a wasteful number, since it uses less digits than its factorization.

57633390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 36.

The square root of 57633390 is about 7591.6658251006. The cubic root of 57633390 is about 386.2703637110.

The spelling of 57633390 in words is "fifty-seven million, six hundred thirty-three thousand, three hundred ninety".