51475158 has 24 divisors (see below), whose sum is σ = 127462608. Its totient is φ = 14707152.

The previous prime is 51475157. The next prime is 51475163. The reversal of 51475158 is 85157415.

51475158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51475158² = 5299383782249928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51475157) 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 11 ways as a sum of consecutive naturals, for example, 204141 + ... + 204392.

It is an arithmetic number, because the mean of its divisors is an integer number (5310942).

Almost surely, 2^51475158 is an apocalyptic number.

51475158 is an abundant number, since it is smaller than the sum of its proper divisors (75987450).

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

51475158 is a wasteful number, since it uses less digits than its factorization.

51475158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408548 (or 408545 counting only the distinct ones).

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

The square root of 51475158 is about 7174.6190142753. The cubic root of 51475158 is about 371.9911114768.

The spelling of 51475158 in words is "fifty-one million, four hundred seventy-five thousand, one hundred fifty-eight".