52158360 has 128 divisors (see below), whose sum is σ = 163296000. Its totient is φ = 13318656.

The previous prime is 52158349. The next prime is 52158367. The reversal of 52158360 is 6385125.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52158367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375171 + ... + 375309.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^52158360 is an apocalyptic number.

52158360 is the 4170-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52158360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

52158360 is an abundant number, since it is smaller than the sum of its proper divisors (111137640).

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

52158360 is a wasteful number, since it uses less digits than its factorization.

52158360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 52158360 is about 7222.0744942156. The cubic root of 52158360 is about 373.6296294365.

The spelling of 52158360 in words is "fifty-two million, one hundred fifty-eight thousand, three hundred sixty".