51498064 has 10 divisors (see below), whose sum is σ = 99777530. Its totient is φ = 25749024.

The previous prime is 51498061. The next prime is 51498067. The reversal of 51498064 is 46089415.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51498061) and next prime (51498067).

It can be written as a sum of positive squares in only one way, i.e., 30338064 + 21160000 = 5508^2 + 4600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51498061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609299 + ... + 1609330.

It is an arithmetic number, because the mean of its divisors is an integer number (9977753).

Almost surely, 2^51498064 is an apocalyptic number.

It is an amenable number.

51498064 is a deficient number, since it is larger than the sum of its proper divisors (48279466).

51498064 is a wasteful number, since it uses less digits than its factorization.

51498064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218637 (or 3218631 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 51498064 is about 7176.2151584244. The cubic root of 51498064 is about 372.0462809032.

The spelling of 51498064 in words is "fifty-one million, four hundred ninety-eight thousand, sixty-four".