51413555 has 8 divisors (see below), whose sum is σ = 61760400. Its totient is φ = 41088096.

The previous prime is 51413543. The next prime is 51413561. The reversal of 51413555 is 55531415.

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 51413555 - 2⁴ = 51413539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (7720050).

Almost surely, 2^51413555 is an apocalyptic number.

51413555 is a deficient number, since it is larger than the sum of its proper divisors (10346845).

51413555 is a wasteful number, since it uses less digits than its factorization.

51413555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693.

The product of its digits is 7500, while the sum is 29.

The square root of 51413555 is about 7170.3246091094. The cubic root of 51413555 is about 371.8426585343.

The spelling of 51413555 in words is "fifty-one million, four hundred thirteen thousand, five hundred fifty-five".