51396124 has 24 divisors (see below), whose sum is σ = 99228528. Its totient is φ = 23141760.

The previous prime is 51396097. The next prime is 51396127. The reversal of 51396124 is 42169315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51396127) 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 7 ways as a sum of consecutive naturals, for example, 9922 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (4134522).

Almost surely, 2^51396124 is an apocalyptic number.

It is an amenable number.

51396124 is a deficient number, since it is larger than the sum of its proper divisors (47832404).

51396124 is a wasteful number, since it uses less digits than its factorization.

51396124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24165 (or 24163 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 51396124 is about 7169.1090101909. The cubic root of 51396124 is about 371.8006312128.

The spelling of 51396124 in words is "fifty-one million, three hundred ninety-six thousand, one hundred twenty-four".