51454146 has 16 divisors (see below), whose sum is σ = 103076064. Its totient is φ = 17123424.

The previous prime is 51454133. The next prime is 51454153. The reversal of 51454146 is 64145415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (6442254).

Almost surely, 2^51454146 is an apocalyptic number.

51454146 is an abundant number, since it is smaller than the sum of its proper divisors (51621918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51454146 is a wasteful number, since it uses less digits than its factorization.

51454146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985.

The product of its digits is 9600, while the sum is 30.

The square root of 51454146 is about 7173.1545361856. The cubic root of 51454146 is about 371.9404893819.

The spelling of 51454146 in words is "fifty-one million, four hundred fifty-four thousand, one hundred forty-six".