51411455 has 16 divisors (see below), whose sum is σ = 63249984. Its totient is φ = 40104960.

The previous prime is 51411449. The next prime is 51411517. The reversal of 51411455 is 55411415.

It is not a de Polignac number, because 51411455 - 2⁴ = 51411439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33689 + ... + 35181.

It is an arithmetic number, because the mean of its divisors is an integer number (3953124).

Almost surely, 2^51411455 is an apocalyptic number.

51411455 is a deficient number, since it is larger than the sum of its proper divisors (11838529).

51411455 is a wasteful number, since it uses less digits than its factorization.

51411455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 2000, while the sum is 26.

The square root of 51411455 is about 7170.1781707291. The cubic root of 51411455 is about 371.8375957954.

The spelling of 51411455 in words is "fifty-one million, four hundred eleven thousand, four hundred fifty-five".