57026642 has 8 divisors (see below), whose sum is σ = 85582332. Its totient is φ = 28499200.

The previous prime is 57026633. The next prime is 57026647. The reversal of 57026642 is 24662075.

It can be written as a sum of positive squares in 2 ways, for example, as 54037201 + 2989441 = 7351^2 + 1729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57026599 and 57026608.

It is not an unprimeable number, because it can be changed into a prime (57026647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959 + ... + 10722.

Almost surely, 2^57026642 is an apocalyptic number.

57026642 is a deficient number, since it is larger than the sum of its proper divisors (28555690).

57026642 is a wasteful number, since it uses less digits than its factorization.

57026642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14124.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 57026642 is about 7551.5986386990. The cubic root of 57026642 is about 384.9100638860.

The spelling of 57026642 in words is "fifty-seven million, twenty-six thousand, six hundred forty-two".