51002108 has 24 divisors (see below), whose sum is σ = 95004000. Its totient is φ = 23874048.

The previous prime is 51002101. The next prime is 51002111. The reversal of 51002108 is 80120015.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11648 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (3958500).

Almost surely, 2^51002108 is an apocalyptic number.

It is an amenable number.

51002108 is a deficient number, since it is larger than the sum of its proper divisors (44001892).

51002108 is a wasteful number, since it uses less digits than its factorization.

51002108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989 (or 3987 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 51002108 is about 7141.5760165386. The cubic root of 51002108 is about 370.8480862484.

The spelling of 51002108 in words is "fifty-one million, two thousand, one hundred eight".