51403124 has 12 divisors (see below), whose sum is σ = 90005664. Its totient is φ = 25687224.

The previous prime is 51403117. The next prime is 51403127. The reversal of 51403124 is 42130415.

It is a junction number, because it is equal to n+sod(n) for n = 51403096 and 51403105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51403127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12377 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (7500472).

Almost surely, 2^51403124 is an apocalyptic number.

It is an amenable number.

51403124 is a deficient number, since it is larger than the sum of its proper divisors (38602540).

51403124 is a wasteful number, since it uses less digits than its factorization.

51403124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7172 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51403124 is about 7169.5971992853. The cubic root of 51403124 is about 371.8175098285.

Adding to 51403124 its reverse (42130415), we get a palindrome (93533539).

The spelling of 51403124 in words is "fifty-one million, four hundred three thousand, one hundred twenty-four".