51454851 has 12 divisors (see below), whose sum is σ = 79807752. Its totient is φ = 29402688.

The previous prime is 51454849. The next prime is 51454859. The reversal of 51454851 is 15845415.

It is not a de Polignac number, because 51454851 - 2¹ = 51454849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51454859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174870 + ... + 175163.

It is an arithmetic number, because the mean of its divisors is an integer number (6650646).

Almost surely, 2^51454851 is an apocalyptic number.

51454851 is a deficient number, since it is larger than the sum of its proper divisors (28352901).

51454851 is a wasteful number, since it uses less digits than its factorization.

51454851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350050 (or 350043 counting only the distinct ones).

The product of its digits is 16000, while the sum is 33.

The square root of 51454851 is about 7173.2036775767. The cubic root of 51454851 is about 371.9421880908.

The spelling of 51454851 in words is "fifty-one million, four hundred fifty-four thousand, eight hundred fifty-one".