51151055 has 8 divisors (see below), whose sum is σ = 61432800. Its totient is φ = 40886496.

The previous prime is 51151049. The next prime is 51151063. The reversal of 51151055 is 55015115.

It is a happy number.

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 51151055 - 2²² = 46956751 is a prime.

It is a super-2 number, since 2×51151055² = 5232860855226050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51151055.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3566 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (7679100).

Almost surely, 2^51151055 is an apocalyptic number.

51151055 is a deficient number, since it is larger than the sum of its proper divisors (10281745).

51151055 is a wasteful number, since it uses less digits than its factorization.

51151055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 51151055 is about 7151.9965743840. The cubic root of 51151055 is about 371.2087447118.

The spelling of 51151055 in words is "fifty-one million, one hundred fifty-one thousand, fifty-five".