53161472 has 120 divisors (see below), whose sum is σ = 133882056. Its totient is φ = 20901888.

The previous prime is 53161429. The next prime is 53161481. The reversal of 53161472 is 27416135.

It is a super-2 number, since 2×53161472² = 5652284210413568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326063 + ... + 326225.

Almost surely, 2^53161472 is an apocalyptic number.

53161472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53161472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66941028).

53161472 is an abundant number, since it is smaller than the sum of its proper divisors (80720584).

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

53161472 is a wasteful number, since it uses less digits than its factorization.

53161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 185 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 53161472 is about 7291.1913978444. The cubic root of 53161472 is about 376.0096572139.

The spelling of 53161472 in words is "fifty-three million, one hundred sixty-one thousand, four hundred seventy-two".