51466398 has 16 divisors (see below), whose sum is σ = 105443856. Its totient is φ = 16736960.

The previous prime is 51466397. The next prime is 51466403. The reversal of 51466398 is 89366415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51466397) 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 7 ways as a sum of consecutive naturals, for example, 104361 + ... + 104852.

It is an arithmetic number, because the mean of its divisors is an integer number (6590241).

Almost surely, 2^51466398 is an apocalyptic number.

51466398 is an abundant number, since it is smaller than the sum of its proper divisors (53977458).

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

51466398 is a wasteful number, since it uses less digits than its factorization.

51466398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209259.

The product of its digits is 155520, while the sum is 42.

The square root of 51466398 is about 7174.0085029222. The cubic root of 51466398 is about 371.9700085660.

The spelling of 51466398 in words is "fifty-one million, four hundred sixty-six thousand, three hundred ninety-eight".