51273055 has 8 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 40641696.

The previous prime is 51273043. The next prime is 51273059. The reversal of 51273055 is 55037215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51273055 - 2⁷ = 51272927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51273059) 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, 46495 + ... + 47584.

It is an arithmetic number, because the mean of its divisors is an integer number (7761600).

Almost surely, 2^51273055 is an apocalyptic number.

51273055 is a deficient number, since it is larger than the sum of its proper divisors (10819745).

51273055 is a wasteful number, since it uses less digits than its factorization.

51273055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94193.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 51273055 is about 7160.5205816337. The cubic root of 51273055 is about 371.5036327942.

The spelling of 51273055 in words is "fifty-one million, two hundred seventy-three thousand, fifty-five".