57000022 has 8 divisors (see below), whose sum is σ = 88448400. Its totient is φ = 27517224.

The previous prime is 57000011. The next prime is 57000037. The reversal of 57000022 is 22000075.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491322 + ... + 491437.

It is an arithmetic number, because the mean of its divisors is an integer number (11056050).

Almost surely, 2^57000022 is an apocalyptic number.

57000022 is a deficient number, since it is larger than the sum of its proper divisors (31448378).

57000022 is a wasteful number, since it uses less digits than its factorization.

57000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982790.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 57000022 is about 7549.8358922562. The cubic root of 57000022 is about 384.8501626406.

Adding to 57000022 its reverse (22000075), we get a palindrome (79000097).

The spelling of 57000022 in words is "fifty-seven million, twenty-two", and thus it is an aban number and an uban number.