51498167 has 12 divisors (see below), whose sum is σ = 60144120. Its totient is φ = 43965936.

The previous prime is 51498131. The next prime is 51498193. The reversal of 51498167 is 76189415.

It is not a de Polignac number, because 51498167 - 2⁶ = 51498103 is a prime.

It is a super-2 number, since 2×51498167² = 5304122408719778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11228 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (5012010).

Almost surely, 2^51498167 is an apocalyptic number.

51498167 is a deficient number, since it is larger than the sum of its proper divisors (8645953).

51498167 is a wasteful number, since it uses less digits than its factorization.

51498167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190 (or 4183 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 51498167 is about 7176.2223349057. Note that the first 3 decimals coincide. The cubic root of 51498167 is about 372.0465289432.

The spelling of 51498167 in words is "fifty-one million, four hundred ninety-eight thousand, one hundred sixty-seven".