51004455 has 64 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 23760000.

The previous prime is 51004423. The next prime is 51004469. The reversal of 51004455 is 55440015.

It is not a de Polignac number, because 51004455 - 2⁵ = 51004423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203080 + ... + 203330.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 2^51004455 is an apocalyptic number.

51004455 is a deficient number, since it is larger than the sum of its proper divisors (41892825).

51004455 is a wasteful number, since it uses less digits than its factorization.

51004455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 51004455 is about 7141.7403341202. The cubic root of 51004455 is about 370.8537746871.

The spelling of 51004455 in words is "fifty-one million, four thousand, four hundred fifty-five".