52135480 has 64 divisors (see below), whose sum is σ = 124545600. Its totient is φ = 19599360.

The previous prime is 52135451. The next prime is 52135483. The reversal of 52135480 is 8453125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135483) 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, 55656 + ... + 56584.

It is an arithmetic number, because the mean of its divisors is an integer number (1946025).

Almost surely, 2^52135480 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 52135480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62272800).

52135480 is an abundant number, since it is smaller than the sum of its proper divisors (72410120).

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

52135480 is a wasteful number, since it uses less digits than its factorization.

52135480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 52135480 is about 7220.4902880622. The cubic root of 52135480 is about 373.5749888112.

The spelling of 52135480 in words is "fifty-two million, one hundred thirty-five thousand, four hundred eighty".