52904890 has 8 divisors (see below), whose sum is σ = 95228820. Its totient is φ = 21161952.

The previous prime is 52904881. The next prime is 52904923. The reversal of 52904890 is 9840925.

It can be written as a sum of positive squares in 2 ways, for example, as 50822641 + 2082249 = 7129^2 + 1443^2 .

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, 2645235 + ... + 2645254.

Almost surely, 2^52904890 is an apocalyptic number.

52904890 is a deficient number, since it is larger than the sum of its proper divisors (42323930).

52904890 is a wasteful number, since it uses less digits than its factorization.

52904890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290496.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 52904890 is about 7273.5747744833. The cubic root of 52904890 is about 375.4037488460.

The spelling of 52904890 in words is "fifty-two million, nine hundred four thousand, eight hundred ninety".