52153230 has 64 divisors (see below), whose sum is σ = 129729600. Its totient is φ = 13409280.

The previous prime is 52153207. The next prime is 52153247. The reversal of 52153230 is 3235125.

52153230 = T₃₁₁ + T₃₁₂ + ... + T₆₉₉.

It is a junction number, because it is equal to n+sod(n) for n = 52153197 and 52153206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133876 + ... + 134264.

It is an arithmetic number, because the mean of its divisors is an integer number (2027025).

Almost surely, 2^52153230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52153230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64864800).

52153230 is an abundant number, since it is smaller than the sum of its proper divisors (77576370).

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

52153230 is a wasteful number, since it uses less digits than its factorization.

52153230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52153230 is about 7221.7193243714. The cubic root of 52153230 is about 373.6173796722.

Adding to 52153230 its reverse (3235125), we get a palindrome (55388355).

The spelling of 52153230 in words is "fifty-two million, one hundred fifty-three thousand, two hundred thirty".