51393376 has 24 divisors (see below), whose sum is σ = 101352384. Its totient is φ = 25653120.

The previous prime is 51393373. The next prime is 51393379. The reversal of 51393376 is 67339315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51393373) and next prime (51393379).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51393373) 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, 26686 + ... + 28546.

It is an arithmetic number, because the mean of its divisors is an integer number (4223016).

Almost surely, 2^51393376 is an apocalyptic number.

It is an amenable number.

51393376 is a deficient number, since it is larger than the sum of its proper divisors (49959008).

51393376 is a wasteful number, since it uses less digits than its factorization.

51393376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734 (or 2726 counting only the distinct ones).

The product of its digits is 51030, while the sum is 37.

The square root of 51393376 is about 7168.9173520135. The cubic root of 51393376 is about 371.7940047316.

It can be divided in two parts, 5139 and 3376, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 51393376 in words is "fifty-one million, three hundred ninety-three thousand, three hundred seventy-six".