53674632 has 144 divisors (see below), whose sum is σ = 164012940. Its totient is φ = 15840000.

The previous prime is 53674619. The next prime is 53674633. The reversal of 53674632 is 23647635.

It can be written as a sum of positive squares in 2 ways, for example, as 53670276 + 4356 = 7326^2 + 66^2 .

It is a super-2 number, since 2×53674632² = 5761932240670848, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (53674633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 531382 + ... + 531482.

Almost surely, 2^53674632 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 53674632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82006470).

53674632 is an abundant number, since it is smaller than the sum of its proper divisors (110338308).

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

53674632 is a wasteful number, since it uses less digits than its factorization.

53674632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 178 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 53674632 is about 7326.2972912652. The cubic root of 53674632 is about 377.2156407147.

It can be divided in two parts, 5367 and 4632, that added together give a palindrome (9999).

The spelling of 53674632 in words is "fifty-three million, six hundred seventy-four thousand, six hundred thirty-two".