51028382 has 4 divisors (see below), whose sum is σ = 76542576. Its totient is φ = 25514190.

The previous prime is 51028361. The next prime is 51028403. The reversal of 51028382 is 28382015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28382015 = 5 ⋅5676403.

It is an interprime number because it is at equal distance from previous prime (51028361) and next prime (51028403).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757094 + ... + 12757097.

It is an arithmetic number, because the mean of its divisors is an integer number (19135644).

Almost surely, 2^51028382 is an apocalyptic number.

51028382 is a deficient number, since it is larger than the sum of its proper divisors (25514194).

51028382 is a wasteful number, since it uses less digits than its factorization.

51028382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25514193.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 51028382 is about 7143.4152896216. The cubic root of 51028382 is about 370.9117567534.

The spelling of 51028382 in words is "fifty-one million, twenty-eight thousand, three hundred eighty-two".