52396146 has 80 divisors (see below), whose sum is σ = 129669408. Its totient is φ = 15877620.

The previous prime is 52396121. The next prime is 52396147. The reversal of 52396146 is 64169325.

It is a happy number.

52396146 is a `hidden beast` number, since 5 + 2 + 39 + 614 + 6 = 666.

It is a super-2 number, since 2×52396146² = 5490712231306632, which contains 22 as substring.

Its product of digits (38880) is a multiple of the sum of its prime divisors (16).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52396146.

It is not an unprimeable number, because it can be changed into a prime (52396147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4763281 + ... + 4763291.

Almost surely, 2^52396146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52396146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64834704).

52396146 is an abundant number, since it is smaller than the sum of its proper divisors (77273262).

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

52396146 is an frugal number, since it uses more digits than its factorization.

52396146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 16 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 52396146 is about 7238.5182185306. The cubic root of 52396146 is about 374.1965518188.

It can be divided in two parts, 523 and 96146, that added together give a palindrome (96669).

The spelling of 52396146 in words is "fifty-two million, three hundred ninety-six thousand, one hundred forty-six".