51412655 has 8 divisors (see below), whose sum is σ = 70508832. Its totient is φ = 35254368.

The previous prime is 51412643. The next prime is 51412657. The reversal of 51412655 is 55621415.

It is a happy number.

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 51412655 - 2⁴ = 51412639 is a prime.

It is a super-2 number, since 2×51412655² = 5286522188298050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412657) 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, 734432 + ... + 734501.

It is an arithmetic number, because the mean of its divisors is an integer number (8813604).

Almost surely, 2^51412655 is an apocalyptic number.

51412655 is a deficient number, since it is larger than the sum of its proper divisors (19096177).

51412655 is a wasteful number, since it uses less digits than its factorization.

51412655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468945.

The product of its digits is 6000, while the sum is 29.

The square root of 51412655 is about 7170.2618501698. The cubic root of 51412655 is about 371.8404888059.

The spelling of 51412655 in words is "fifty-one million, four hundred twelve thousand, six hundred fifty-five".