51068448 has 48 divisors (see below), whose sum is σ = 148952160. Its totient is φ = 17022528.

The previous prime is 51068401. The next prime is 51068483. The reversal of 51068448 is 84486015.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×51068448² = 5215972762257408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28690 + ... + 30417.

It is an arithmetic number, because the mean of its divisors is an integer number (3103170).

Almost surely, 2^51068448 is an apocalyptic number.

It is an amenable number.

51068448 is an abundant number, since it is smaller than the sum of its proper divisors (97883712).

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

51068448 is a wasteful number, since it uses less digits than its factorization.

51068448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59126 (or 59112 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 51068448 is about 7146.2191402167. The cubic root of 51068448 is about 371.0088077285.

The spelling of 51068448 in words is "fifty-one million, sixty-eight thousand, four hundred forty-eight".