52542270 has 80 divisors (see below), whose sum is σ = 154150128. Its totient is φ = 12735360.

The previous prime is 52542263. The next prime is 52542283. The reversal of 52542270 is 7224525.

52542270 is a `hidden beast` number, since 52 + 542 + 2 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 5962 + ... + 11858.

Almost surely, 2^52542270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52542270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77075064).

52542270 is an abundant number, since it is smaller than the sum of its proper divisors (101607858).

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

52542270 is a wasteful number, since it uses less digits than its factorization.

52542270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927 (or 5918 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52542270 is about 7248.6046933186. The cubic root of 52542270 is about 374.5440859376.

Adding to 52542270 its reverse (7224525), we get a palindrome (59766795).

The spelling of 52542270 in words is "fifty-two million, five hundred forty-two thousand, two hundred seventy".