51478424 has 16 divisors (see below), whose sum is σ = 96616800. Its totient is φ = 25713952.

The previous prime is 51478421. The next prime is 51478459. The reversal of 51478424 is 42487415.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51478421) 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, 7697 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (6038550).

Almost surely, 2^51478424 is an apocalyptic number.

It is an amenable number.

51478424 is a deficient number, since it is larger than the sum of its proper divisors (45138376).

51478424 is a wasteful number, since it uses less digits than its factorization.

51478424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322 (or 6318 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 51478424 is about 7174.8466185696. The cubic root of 51478424 is about 371.9989786845.

The spelling of 51478424 in words is "fifty-one million, four hundred seventy-eight thousand, four hundred twenty-four".