51053478 has 32 divisors (see below), whose sum is σ = 117072384. Its totient is φ = 14539392.

The previous prime is 51053459. The next prime is 51053479. The reversal of 51053478 is 87435015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51053479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12351 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (3658512).

Almost surely, 2^51053478 is an apocalyptic number.

51053478 is an abundant number, since it is smaller than the sum of its proper divisors (66018906).

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

51053478 is a wasteful number, since it uses less digits than its factorization.

51053478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 51053478 is about 7145.1716564405. The cubic root of 51053478 is about 370.9725521744.

The spelling of 51053478 in words is "fifty-one million, fifty-three thousand, four hundred seventy-eight".