51350090 has 16 divisors (see below), whose sum is σ = 100833120. Its totient is φ = 18672720.

The previous prime is 51350083. The next prime is 51350093. The reversal of 51350090 is 9005315.

It is not an unprimeable number, because it can be changed into a prime (51350093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233300 + ... + 233519.

It is an arithmetic number, because the mean of its divisors is an integer number (6302070).

Almost surely, 2^51350090 is an apocalyptic number.

51350090 is a deficient number, since it is larger than the sum of its proper divisors (49483030).

51350090 is a wasteful number, since it uses less digits than its factorization.

51350090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466837.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 51350090 is about 7165.8977106850. The cubic root of 51350090 is about 371.6895944172.

The spelling of 51350090 in words is "fifty-one million, three hundred fifty thousand, ninety".