51348290 has 32 divisors (see below), whose sum is σ = 107429760. Its totient is φ = 17305344.

The previous prime is 51348223. The next prime is 51348293. The reversal of 51348290 is 9284315.

It is not an unprimeable number, because it can be changed into a prime (51348293) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2087 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (3357180).

Almost surely, 2^51348290 is an apocalyptic number.

51348290 is an abundant number, since it is smaller than the sum of its proper divisors (56081470).

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

51348290 is a wasteful number, since it uses less digits than its factorization.

51348290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 51348290 is about 7165.7721147131. The cubic root of 51348290 is about 371.6852513603.

The spelling of 51348290 in words is "fifty-one million, three hundred forty-eight thousand, two hundred ninety".