53273388 has 90 divisors (see below), whose sum is σ = 148464204. Its totient is φ = 14866992.

The previous prime is 53273387. The next prime is 53273399. The reversal of 53273388 is 88337235.

53273388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53273383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1238895 + ... + 1238937.

Almost surely, 2^53273388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53273388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74232102).

53273388 is an abundant number, since it is smaller than the sum of its proper divisors (95190816).

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

53273388 is an equidigital number, since it uses as much as digits as its factorization.

53273388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 55 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 53273388 is about 7298.8621030952. The cubic root of 53273388 is about 376.2733318865.

It can be divided in two parts, 532 and 73388, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 53273388 in words is "fifty-three million, two hundred seventy-three thousand, three hundred eighty-eight".