53865290 has 32 divisors (see below), whose sum is σ = 102242304. Its totient is φ = 20401920.

The previous prime is 53865277. The next prime is 53865307. The reversal of 53865290 is 9256835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12722 + ... + 16418.

It is an arithmetic number, because the mean of its divisors is an integer number (3195072).

Almost surely, 2^53865290 is an apocalyptic number.

53865290 is a deficient number, since it is larger than the sum of its proper divisors (48377014).

53865290 is a wasteful number, since it uses less digits than its factorization.

53865290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 53865290 is about 7339.2976503205. The cubic root of 53865290 is about 377.6617496104.

The spelling of 53865290 in words is "fifty-three million, eight hundred sixty-five thousand, two hundred ninety".