51419090 has 16 divisors (see below), whose sum is σ = 94124160. Its totient is φ = 20218800.

The previous prime is 51419041. The next prime is 51419113. The reversal of 51419090 is 9091415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42986 + ... + 44165.

It is an arithmetic number, because the mean of its divisors is an integer number (5882760).

Almost surely, 2^51419090 is an apocalyptic number.

51419090 is a deficient number, since it is larger than the sum of its proper divisors (42705070).

51419090 is a wasteful number, since it uses less digits than its factorization.

51419090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87217.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 51419090 is about 7170.7105645117. The cubic root of 51419090 is about 371.8560018070.

The spelling of 51419090 in words is "fifty-one million, four hundred nineteen thousand, ninety".