51013388 has 6 divisors (see below), whose sum is σ = 89273436. Its totient is φ = 25506692.

The previous prime is 51013357. The next prime is 51013393. The reversal of 51013388 is 88331015.

It is a self number, because there is not a number n which added to its sum of digits gives 51013388.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376670 + ... + 6376677.

It is an arithmetic number, because the mean of its divisors is an integer number (14878906).

Almost surely, 2^51013388 is an apocalyptic number.

It is an amenable number.

51013388 is a deficient number, since it is larger than the sum of its proper divisors (38260048).

51013388 is a wasteful number, since it uses less digits than its factorization.

51013388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12753351 (or 12753349 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 51013388 is about 7142.3657145234. The cubic root of 51013388 is about 370.8754240599.

The spelling of 51013388 in words is "fifty-one million, thirteen thousand, three hundred eighty-eight".