52081512 has 96 divisors (see below), whose sum is σ = 153954720. Its totient is φ = 14636160.

The previous prime is 52081507. The next prime is 52081517. The reversal of 52081512 is 21518025.

52081512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52081507) and next prime (52081517).

It is a super-2 number, since 2×52081512² = 5424967784412288, which contains 22 as substring.

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 (52081517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78462 + ... + 79122.

It is an arithmetic number, because the mean of its divisors is an integer number (1603695).

Almost surely, 2^52081512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52081512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76977360).

52081512 is an abundant number, since it is smaller than the sum of its proper divisors (101873208).

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

52081512 is a wasteful number, since it uses less digits than its factorization.

52081512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 52081512 is about 7216.7521780923. The cubic root of 52081512 is about 373.4460423587.

Adding to 52081512 its reverse (21518025), we get a palindrome (73599537).

It can be divided in two parts, 5208 and 1512, that multiplied together give a triangular number (7874496 = T₃₉₆₈).

The spelling of 52081512 in words is "fifty-two million, eighty-one thousand, five hundred twelve".