51485108 has 12 divisors (see below), whose sum is σ = 90182820. Its totient is φ = 25718592.

The previous prime is 51485107. The next prime is 51485113. The reversal of 51485108 is 80158415.

It can be written as a sum of positive squares in 2 ways, for example, as 24880144 + 26604964 = 4988^2 + 5158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51485107) 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, 623 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (7515235).

Almost surely, 2^51485108 is an apocalyptic number.

It is an amenable number.

51485108 is a deficient number, since it is larger than the sum of its proper divisors (38697712).

51485108 is a wasteful number, since it uses less digits than its factorization.

51485108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986 (or 11984 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 51485108 is about 7175.3123973803. The cubic root of 51485108 is about 372.0150782033.

The spelling of 51485108 in words is "fifty-one million, four hundred eighty-five thousand, one hundred eight".