51154472 has 16 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 25545520.

The previous prime is 51154469. The next prime is 51154483. The reversal of 51154472 is 27445115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (6002100).

Almost surely, 2^51154472 is an apocalyptic number.

It is an amenable number.

51154472 is a deficient number, since it is larger than the sum of its proper divisors (44879128).

51154472 is a wasteful number, since it uses less digits than its factorization.

51154472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936 (or 7932 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 51154472 is about 7152.2354547372. The cubic root of 51154472 is about 371.2170103741.

Adding to 51154472 its reverse (27445115), we get a palindrome (78599587).

The spelling of 51154472 in words is "fifty-one million, one hundred fifty-four thousand, four hundred seventy-two".