53820190 has 16 divisors (see below), whose sum is σ = 97025760. Its totient is φ = 21494880.

The previous prime is 53820149. The next prime is 53820191. The reversal of 53820190 is 9102835.

It is a super-2 number, since 2×53820190² = 5793225703272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53820191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (6064110).

Almost surely, 2^53820190 is an apocalyptic number.

53820190 is a deficient number, since it is larger than the sum of its proper divisors (43205570).

53820190 is a wasteful number, since it uses less digits than its factorization.

53820190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 53820190 is about 7336.2245058340. The cubic root of 53820190 is about 377.5563180746.

The spelling of 53820190 in words is "fifty-three million, eight hundred twenty thousand, one hundred ninety".