53184990 has 32 divisors (see below), whose sum is σ = 134363520. Its totient is φ = 13436064.

The previous prime is 53184983. The next prime is 53184997. The reversal of 53184990 is 9948135.

It is an interprime number because it is at equal distance from previous prime (53184983) and next prime (53184997).

It is a super-2 number, since 2×53184990² = 5657286322600200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53184997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46084 + ... + 47223.

It is an arithmetic number, because the mean of its divisors is an integer number (4198860).

Almost surely, 2^53184990 is an apocalyptic number.

53184990 is an abundant number, since it is smaller than the sum of its proper divisors (81178530).

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

53184990 is a wasteful number, since it uses less digits than its factorization.

53184990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93336.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 53184990 is about 7292.8039874934. The cubic root of 53184990 is about 376.0650964326.

The spelling of 53184990 in words is "fifty-three million, one hundred eighty-four thousand, nine hundred ninety".