51051658 has 16 divisors (see below), whose sum is σ = 90535680. Its totient is φ = 21124656.

The previous prime is 51051653. The next prime is 51051677. The reversal of 51051658 is 85615015.

51051658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51051653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62466 + ... + 63277.

It is an arithmetic number, because the mean of its divisors is an integer number (5658480).

Almost surely, 2^51051658 is an apocalyptic number.

51051658 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

51051658 is a deficient number, since it is larger than the sum of its proper divisors (39484022).

51051658 is a wasteful number, since it uses less digits than its factorization.

51051658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125781.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 51051658 is about 7145.0442965737. The cubic root of 51051658 is about 370.9681438683.

The spelling of 51051658 in words is "fifty-one million, fifty-one thousand, six hundred fifty-eight".