51268724 has 12 divisors (see below), whose sum is σ = 96621924. Its totient is φ = 23662464.

The previous prime is 51268697. The next prime is 51268733. The reversal of 51268724 is 42786215.

It can be written as a sum of positive squares in 2 ways, for example, as 16080100 + 35188624 = 4010^2 + 5932^2 .

It is a plaindrome in base 15.

It is a congruent number.

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, 492917 + ... + 493020.

It is an arithmetic number, because the mean of its divisors is an integer number (8051827).

Almost surely, 2^51268724 is an apocalyptic number.

It is an amenable number.

51268724 is a deficient number, since it is larger than the sum of its proper divisors (45353200).

51268724 is a wasteful number, since it uses less digits than its factorization.

51268724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985954 (or 985952 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 51268724 is about 7160.2181531012. The cubic root of 51268724 is about 371.4931722801.

The spelling of 51268724 in words is "fifty-one million, two hundred sixty-eight thousand, seven hundred twenty-four".