52737480 has 160 divisors (see below), whose sum is σ = 182037240. Its totient is φ = 13685760.

The previous prime is 52737449. The next prime is 52737497. The reversal of 52737480 is 8473725.

It can be written as a sum of positive squares in 4 ways, for example, as 32970564 + 19766916 = 5742^2 + 4446^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 132642 + ... + 133038.

Almost surely, 2^52737480 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 52737480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91018620).

52737480 is an abundant number, since it is smaller than the sum of its proper divisors (129299760).

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

52737480 is a wasteful number, since it uses less digits than its factorization.

52737480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 52737480 is about 7262.0575596727. The cubic root of 52737480 is about 375.0073598556.

The spelling of 52737480 in words is "fifty-two million, seven hundred thirty-seven thousand, four hundred eighty".