53473932 has 60 divisors (see below), whose sum is σ = 140845936. Its totient is φ = 17690400.

The previous prime is 53473909. The next prime is 53473933. The reversal of 53473932 is 23937435.

It is a super-2 number, since 2×53473932² = 5718922807081248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (68040) is a multiple of the sum of its prime factors (1260).

It is not an unprimeable number, because it can be changed into a prime (53473933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48378 + ... + 49470.

Almost surely, 2^53473932 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 53473932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70422968).

53473932 is an abundant number, since it is smaller than the sum of its proper divisors (87372004).

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

53473932 is a wasteful number, since it uses less digits than its factorization.

53473932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1249 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 53473932 is about 7312.5872302489. The cubic root of 53473932 is about 376.7448923424.

The spelling of 53473932 in words is "fifty-three million, four hundred seventy-three thousand, nine hundred thirty-two".