53601890 has 16 divisors (see below), whose sum is σ = 96986808. Its totient is φ = 21328896.

The previous prime is 53601881. The next prime is 53601917. The reversal of 53601890 is 9810635.

53601890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39904489 + 13697401 = 6317^2 + 3701^2 .

It is a super-2 number, since 2×53601890² = 5746325223144200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11957 + ... + 15816.

Almost surely, 2^53601890 is an apocalyptic number.

53601890 is a deficient number, since it is larger than the sum of its proper divisors (43384918).

53601890 is a wasteful number, since it uses less digits than its factorization.

53601890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27973.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 53601890 is about 7321.3311631151. The cubic root of 53601890 is about 377.0451577875.

The spelling of 53601890 in words is "fifty-three million, six hundred one thousand, eight hundred ninety".