52650312 has 192 divisors, whose sum is σ = 167227200. Its totient is φ = 13601280.

The previous prime is 52650277. The next prime is 52650317. The reversal of 52650312 is 21305625.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (52650317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1815514 + ... + 1815542.

It is an arithmetic number, because the mean of its divisors is an integer number (870975).

Almost surely, 2^52650312 is an apocalyptic number.

52650312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52650312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83613600).

52650312 is an abundant number, since it is smaller than the sum of its proper divisors (114576888).

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

52650312 is a wasteful number, since it uses less digits than its factorization.

52650312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 52650312 is about 7256.0534727908. The cubic root of 52650312 is about 374.8006335824.

Adding to 52650312 its reverse (21305625), we get a palindrome (73955937).

The spelling of 52650312 in words is "fifty-two million, six hundred fifty thousand, three hundred twelve".