51910998 has 16 divisors (see below), whose sum is σ = 103894896. Its totient is φ = 17291520.

The previous prime is 51910993. The next prime is 51911003. The reversal of 51910998 is 89901915.

It is an interprime number because it is at equal distance from previous prime (51910993) and next prime (51911003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51910993) 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, 11790 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (6493431).

Almost surely, 2^51910998 is an apocalyptic number.

51910998 is an abundant number, since it is smaller than the sum of its proper divisors (51983898).

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

51910998 is a wasteful number, since it uses less digits than its factorization.

51910998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6079.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 51910998 is about 7204.9287296961. The cubic root of 51910998 is about 373.0380447410.

The spelling of 51910998 in words is "fifty-one million, nine hundred ten thousand, nine hundred ninety-eight".