51502246 has 4 divisors (see below), whose sum is σ = 77253372. Its totient is φ = 25751122.

The previous prime is 51502207. The next prime is 51502249. The reversal of 51502246 is 64220515.

51502246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64220515 = 5 ⋅12844103.

It is a self number, because there is not a number n which added to its sum of digits gives 51502246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502249) 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 as a sum of consecutive naturals, namely, 12875560 + ... + 12875563.

It is an arithmetic number, because the mean of its divisors is an integer number (19313343).

Almost surely, 2^51502246 is an apocalyptic number.

51502246 is a deficient number, since it is larger than the sum of its proper divisors (25751126).

51502246 is a wasteful number, since it uses less digits than its factorization.

51502246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25751125.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 51502246 is about 7176.5065317326. The cubic root of 51502246 is about 372.0563515435.

It can be divided in two parts, 5150 and 2246, that added together give a square (7396 = 86²).

The spelling of 51502246 in words is "fifty-one million, five hundred two thousand, two hundred forty-six".