51242924 has 12 divisors (see below), whose sum is σ = 94395000. Its totient is φ = 24272928.

The previous prime is 51242921. The next prime is 51242927. The reversal of 51242924 is 42924215.

It is an interprime number because it is at equal distance from previous prime (51242921) and next prime (51242927).

It is not an unprimeable number, because it can be changed into a prime (51242921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337049 + ... + 337200.

It is an arithmetic number, because the mean of its divisors is an integer number (7866250).

Almost surely, 2^51242924 is an apocalyptic number.

It is an amenable number.

51242924 is a deficient number, since it is larger than the sum of its proper divisors (43152076).

51242924 is a wasteful number, since it uses less digits than its factorization.

51242924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674272 (or 674270 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 51242924 is about 7158.4163053011. The cubic root of 51242924 is about 371.4308462244.

The spelling of 51242924 in words is "fifty-one million, two hundred forty-two thousand, nine hundred twenty-four".