53993130 has 64 divisors (see below), whose sum is σ = 133747200. Its totient is φ = 13942784.

The previous prime is 53993119. The next prime is 53993131. The reversal of 53993130 is 3139935.

It is a junction number, because it is equal to n+sod(n) for n = 53993091 and 53993100.

It is not an unprimeable number, because it can be changed into a prime (53993131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209962 + ... + 210218.

It is an arithmetic number, because the mean of its divisors is an integer number (2089800).

Almost surely, 2^53993130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53993130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66873600).

53993130 is an abundant number, since it is smaller than the sum of its proper divisors (79754070).

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

53993130 is a wasteful number, since it uses less digits than its factorization.

53993130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 10935, while the sum is 33.

The square root of 53993130 is about 7348.0017691887. The cubic root of 53993130 is about 377.9602852931.

The spelling of 53993130 in words is "fifty-three million, nine hundred ninety-three thousand, one hundred thirty".