53263158 has 32 divisors (see below), whose sum is σ = 115873632. Its totient is φ = 16224000.

The previous prime is 53263157. The next prime is 53263183. The reversal of 53263158 is 85136235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53263157) 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, 4498 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (3621051).

Almost surely, 2^53263158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53263158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57936816).

53263158 is an abundant number, since it is smaller than the sum of its proper divisors (62610474).

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

53263158 is a wasteful number, since it uses less digits than its factorization.

53263158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880.

The product of its digits is 21600, while the sum is 33.

The square root of 53263158 is about 7298.1612752802. The cubic root of 53263158 is about 376.2492452975.

The spelling of 53263158 in words is "fifty-three million, two hundred sixty-three thousand, one hundred fifty-eight".