51745158 has 24 divisors (see below), whose sum is σ = 113536800. Its totient is φ = 17029584.

The previous prime is 51745153. The next prime is 51745163. The reversal of 51745158 is 85154715.

It is an interprime number because it is at equal distance from previous prime (51745153) and next prime (51745163).

It is a super-2 number, since 2×51745158² = 5355122752889928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51745153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16773 + ... + 19616.

It is an arithmetic number, because the mean of its divisors is an integer number (4730700).

Almost surely, 2^51745158 is an apocalyptic number.

51745158 is an abundant number, since it is smaller than the sum of its proper divisors (61791642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51745158 is a wasteful number, since it uses less digits than its factorization.

51745158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36476 (or 36473 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 51745158 is about 7193.4107348323. The cubic root of 51745158 is about 372.6403729019.

The spelling of 51745158 in words is "fifty-one million, seven hundred forty-five thousand, one hundred fifty-eight".