51738998 has 8 divisors (see below), whose sum is σ = 77654808. Its totient is φ = 25854064.

The previous prime is 51738991. The next prime is 51739001. The reversal of 51738998 is 89983715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51738991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (9706851).

Almost surely, 2^51738998 is an apocalyptic number.

51738998 is a deficient number, since it is larger than the sum of its proper divisors (25915810).

51738998 is a wasteful number, since it uses less digits than its factorization.

51738998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438.

The product of its digits is 544320, while the sum is 50.

The square root of 51738998 is about 7192.9825524604. The cubic root of 51738998 is about 372.6255853296.

The spelling of 51738998 in words is "fifty-one million, seven hundred thirty-eight thousand, nine hundred ninety-eight".