51175134 has 48 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 15659520.

The previous prime is 51175133. The next prime is 51175139. The reversal of 51175134 is 43157115.

It is a junction number, because it is equal to n+sod(n) for n = 51175098 and 51175107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51175133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10507 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^51175134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51175134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60147360).

51175134 is an abundant number, since it is smaller than the sum of its proper divisors (69119586).

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

51175134 is a wasteful number, since it uses less digits than its factorization.

51175134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4142 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 51175134 is about 7153.6797524071. The cubic root of 51175134 is about 371.2669835444.

The spelling of 51175134 in words is "fifty-one million, one hundred seventy-five thousand, one hundred thirty-four".