51454942 has 32 divisors (see below), whose sum is σ = 98288640. Its totient is φ = 19618080.

The previous prime is 51454927. The next prime is 51454967. The reversal of 51454942 is 24945415.

51454942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51454942² = 5295222112446728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51454898 and 51454907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3684 + ... + 10792.

It is an arithmetic number, because the mean of its divisors is an integer number (3071520).

Almost surely, 2^51454942 is an apocalyptic number.

51454942 is a deficient number, since it is larger than the sum of its proper divisors (46833698).

51454942 is a wasteful number, since it uses less digits than its factorization.

51454942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7176.

The product of its digits is 28800, while the sum is 34.

The square root of 51454942 is about 7173.2100206254. The cubic root of 51454942 is about 371.9424073557.

The spelling of 51454942 in words is "fifty-one million, four hundred fifty-four thousand, nine hundred forty-two".