53663190 has 64 divisors (see below), whose sum is σ = 150349824. Its totient is φ = 12002688.

The previous prime is 53663179. The next prime is 53663191. The reversal of 53663190 is 9136635.

It is a super-2 number, since 2×53663190² = 5759475921952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53663191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7152 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (2349216).

Almost surely, 2^53663190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53663190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75174912).

53663190 is an abundant number, since it is smaller than the sum of its proper divisors (96686634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53663190 is a wasteful number, since it uses less digits than its factorization.

53663190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 53663190 is about 7325.5163640524. The cubic root of 53663190 is about 377.1888347052.

The spelling of 53663190 in words is "fifty-three million, six hundred sixty-three thousand, one hundred ninety".