51132790 has 8 divisors (see below), whose sum is σ = 92039040. Its totient is φ = 20453112.

The previous prime is 51132769. The next prime is 51132791. The reversal of 51132790 is 9723115.

51132790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51132790² = 5229124426368200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132791) 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 3 ways as a sum of consecutive naturals, for example, 2556630 + ... + 2556649.

It is an arithmetic number, because the mean of its divisors is an integer number (11504880).

Almost surely, 2^51132790 is an apocalyptic number.

51132790 is a deficient number, since it is larger than the sum of its proper divisors (40906250).

51132790 is a wasteful number, since it uses less digits than its factorization.

51132790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113286.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51132790 is about 7150.7195442137. The cubic root of 51132790 is about 371.1645557575.

The spelling of 51132790 in words is "fifty-one million, one hundred thirty-two thousand, seven hundred ninety".