51011346 has 16 divisors (see below), whose sum is σ = 102960000. Its totient is φ = 16847568.

The previous prime is 51011293. The next prime is 51011347. The reversal of 51011346 is 64311015.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51011347) 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, 38346 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (6435000).

Almost surely, 2^51011346 is an apocalyptic number.

51011346 is an abundant number, since it is smaller than the sum of its proper divisors (51948654).

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

51011346 is a wasteful number, since it uses less digits than its factorization.

51011346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78113.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 51011346 is about 7142.2227632579. Note that the first 3 decimals coincide. The cubic root of 51011346 is about 370.8704754393.

The spelling of 51011346 in words is "fifty-one million, eleven thousand, three hundred forty-six".