57630890 has 8 divisors (see below), whose sum is σ = 103735620. Its totient is φ = 23052352.

The previous prime is 57630889. The next prime is 57630907. The reversal of 57630890 is 9803675.

It can be written as a sum of positive squares in 2 ways, for example, as 57410929 + 219961 = 7577^2 + 469^2 .

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

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, 2881535 + ... + 2881554.

Almost surely, 2^57630890 is an apocalyptic number.

57630890 is a deficient number, since it is larger than the sum of its proper divisors (46104730).

57630890 is a wasteful number, since it uses less digits than its factorization.

57630890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763096.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 57630890 is about 7591.5011690706. The cubic root of 57630890 is about 386.2647784656.

The spelling of 57630890 in words is "fifty-seven million, six hundred thirty thousand, eight hundred ninety".