51454997 has 8 divisors (see below), whose sum is σ = 57192480. Its totient is φ = 45894160.

The previous prime is 51454987. The next prime is 51455011. The reversal of 51454997 is 79945415.

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 51454997 - 2¹⁴ = 51438613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51454927) 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, 43547 + ... + 44712.

It is an arithmetic number, because the mean of its divisors is an integer number (7149060).

Almost surely, 2^51454997 is an apocalyptic number.

It is an amenable number.

51454997 is a deficient number, since it is larger than the sum of its proper divisors (5737483).

51454997 is a wasteful number, since it uses less digits than its factorization.

51454997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88323.

The product of its digits is 226800, while the sum is 44.

The square root of 51454997 is about 7173.2138543334. The cubic root of 51454997 is about 371.9425398782.

The spelling of 51454997 in words is "fifty-one million, four hundred fifty-four thousand, nine hundred ninety-seven".