51301055 has 32 divisors (see below), whose sum is σ = 69177024. Its totient is φ = 36274176.

The previous prime is 51301049. The next prime is 51301079. The reversal of 51301055 is 55010315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51301055 - 2¹⁰ = 51300031 is a prime.

It is a super-2 number, since 2×51301055² = 5263596488226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199487 + ... + 199743.

It is an arithmetic number, because the mean of its divisors is an integer number (2161782).

Almost surely, 2^51301055 is an apocalyptic number.

51301055 is a deficient number, since it is larger than the sum of its proper divisors (17875969).

51301055 is a wasteful number, since it uses less digits than its factorization.

51301055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 51301055 is about 7162.4754798882. The cubic root of 51301055 is about 371.5712460124.

The spelling of 51301055 in words is "fifty-one million, three hundred one thousand, fifty-five".