52630000 has 100 divisors (see below), whose sum is σ = 134613160. Its totient is φ = 19872000.

The previous prime is 52629991. The next prime is 52630009. The reversal of 52630000 is 3625.

It is an interprime number because it is at equal distance from previous prime (52629991) and next prime (52630009).

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52630009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189862 + ... + 190138.

Almost surely, 2^52630000 is an apocalyptic number.

52630000 is a gapful number since it is divisible by the number (50) 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 52630000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67306580).

52630000 is an abundant number, since it is smaller than the sum of its proper divisors (81983160).

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

52630000 is a wasteful number, since it uses less digits than its factorization.

52630000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 52630000 is about 7254.6536788464. The cubic root of 52630000 is about 374.7524291851.

Adding to 52630000 its reverse (3625), we get a palindrome (52633625).

The spelling of 52630000 in words is "fifty-two million, six hundred thirty thousand".