53423972 has 48 divisors (see below), whose sum is σ = 113447040. Its totient is φ = 21503232.

The previous prime is 53423971. The next prime is 53423977. The reversal of 53423972 is 27932435.

It is not an unprimeable number, because it can be changed into a prime (53423971) 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, 72518 + ... + 73250.

It is an arithmetic number, because the mean of its divisors is an integer number (2363480).

Almost surely, 2^53423972 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 53423972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56723520).

53423972 is an abundant number, since it is smaller than the sum of its proper divisors (60023068).

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

53423972 is a wasteful number, since it uses less digits than its factorization.

53423972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 53423972 is about 7309.1704043619. The cubic root of 53423972 is about 376.6275264975.

The spelling of 53423972 in words is "fifty-three million, four hundred twenty-three thousand, nine hundred seventy-two".