51572612 has 48 divisors (see below), whose sum is σ = 116941440. Its totient is φ = 19325952.

The previous prime is 51572603. The next prime is 51572627. The reversal of 51572612 is 21627515.

51572612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3188 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (2436280).

Almost surely, 2^51572612 is an apocalyptic number.

51572612 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 51572612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58470720).

51572612 is an abundant number, since it is smaller than the sum of its proper divisors (65368828).

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

51572612 is a wasteful number, since it uses less digits than its factorization.

51572612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500 (or 7498 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 51572612 is about 7181.4073829577. The cubic root of 51572612 is about 372.2257176408.

The spelling of 51572612 in words is "fifty-one million, five hundred seventy-two thousand, six hundred twelve".