51406373 has 8 divisors (see below), whose sum is σ = 52298688. Its totient is φ = 50521824.

The previous prime is 51406367. The next prime is 51406379. The reversal of 51406373 is 37360415.

It is an interprime number because it is at equal distance from previous prime (51406367) and next prime (51406379).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51406373 - 2⁶ = 51406309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51406379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12290 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (6537336).

Almost surely, 2^51406373 is an apocalyptic number.

It is an amenable number.

51406373 is a deficient number, since it is larger than the sum of its proper divisors (892315).

51406373 is a wasteful number, since it uses less digits than its factorization.

51406373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 51406373 is about 7169.8237774718. The cubic root of 51406373 is about 371.8253433967.

Adding to 51406373 its reverse (37360415), we get a palindrome (88766788).

The spelling of 51406373 in words is "fifty-one million, four hundred six thousand, three hundred seventy-three".