51130446 has 16 divisors (see below), whose sum is σ = 103316304. Its totient is φ = 16867584.

The previous prime is 51130427. The next prime is 51130481. The reversal of 51130446 is 64403115.

It is a super-2 number, since 2×51130446² = 5228645016317832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43345 + ... + 44508.

It is an arithmetic number, because the mean of its divisors is an integer number (6457269).

Almost surely, 2^51130446 is an apocalyptic number.

51130446 is an abundant number, since it is smaller than the sum of its proper divisors (52185858).

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

51130446 is a wasteful number, since it uses less digits than its factorization.

51130446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87955.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51130446 is about 7150.5556427455. Note that the first 3 decimals coincide. The cubic root of 51130446 is about 371.1588841000.

The spelling of 51130446 in words is "fifty-one million, one hundred thirty thousand, four hundred forty-six".