52401672 has 48 divisors (see below), whose sum is σ = 142740780. Its totient is φ = 17366400.

The previous prime is 52401647. The next prime is 52401689. The reversal of 52401672 is 27610425.

It can be written as a sum of positive squares in 2 ways, for example, as 35212356 + 17189316 = 5934^2 + 4146^2 .

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, 11022 + ... + 15042.

Almost surely, 2^52401672 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 52401672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71370390).

52401672 is an abundant number, since it is smaller than the sum of its proper divisors (90339108).

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

52401672 is a wasteful number, since it uses less digits than its factorization.

52401672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52401672 is about 7238.8999164238. The cubic root of 52401672 is about 374.2097063324.

The spelling of 52401672 in words is "fifty-two million, four hundred one thousand, six hundred seventy-two".