51401448 has 48 divisors (see below), whose sum is σ = 159101280. Its totient is φ = 14685984.

The previous prime is 51401447. The next prime is 51401459. The reversal of 51401448 is 84410415.

It is a happy number.

51401448 is a `hidden beast` number, since 514 + 0 + 144 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50490 + ... + 51497.

It is an arithmetic number, because the mean of its divisors is an integer number (3314610).

Almost surely, 2^51401448 is an apocalyptic number.

It is an amenable number.

51401448 is an abundant number, since it is smaller than the sum of its proper divisors (107699832).

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

51401448 is a wasteful number, since it uses less digits than its factorization.

51401448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102006 (or 101999 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 51401448 is about 7169.4803158946. The cubic root of 51401448 is about 371.8134687452.

The spelling of 51401448 in words is "fifty-one million, four hundred one thousand, four hundred forty-eight".