51453854 has 16 divisors (see below), whose sum is σ = 78074496. Its totient is φ = 25431000.

The previous prime is 51453851. The next prime is 51453889. The reversal of 51453854 is 45835415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51453851) 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, 104549 + ... + 105039.

It is an arithmetic number, because the mean of its divisors is an integer number (4879656).

Almost surely, 2^51453854 is an apocalyptic number.

51453854 is a deficient number, since it is larger than the sum of its proper divisors (26620642).

51453854 is a wasteful number, since it uses less digits than its factorization.

51453854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 48000, while the sum is 35.

The square root of 51453854 is about 7173.1341824895. The cubic root of 51453854 is about 371.9397857987.

The spelling of 51453854 in words is "fifty-one million, four hundred fifty-three thousand, eight hundred fifty-four".