51090058 has 8 divisors (see below), whose sum is σ = 76934052. Its totient is φ = 25445376.

The previous prime is 51090029. The next prime is 51090079. The reversal of 51090058 is 85009015.

It can be written as a sum of positive squares in 2 ways, for example, as 46280809 + 4809249 = 6803^2 + 2193^2 .

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

It is a super-2 number, since 2×51090058² = 5220388052886728, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 49185 + ... + 50212.

Almost surely, 2^51090058 is an apocalyptic number.

51090058 is a deficient number, since it is larger than the sum of its proper divisors (25843994).

51090058 is a wasteful number, since it uses less digits than its factorization.

51090058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99656.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 51090058 is about 7147.7309686361. The cubic root of 51090058 is about 371.0611320763.

The spelling of 51090058 in words is "fifty-one million, ninety thousand, fifty-eight".