51102036 has 24 divisors (see below), whose sum is σ = 132487040. Its totient is φ = 17033976.

The previous prime is 51101989. The next prime is 51102049. The reversal of 51102036 is 63020115.

It is a super-2 number, since 2×51102036² = 5222836166690592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236476 + ... + 236691.

Almost surely, 2^51102036 is an apocalyptic number.

It is an amenable number.

51102036 is an abundant number, since it is smaller than the sum of its proper divisors (81385004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51102036 is a wasteful number, since it uses less digits than its factorization.

51102036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473180 (or 473172 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51102036 is about 7148.5688078104. The cubic root of 51102036 is about 371.0901280827.

The spelling of 51102036 in words is "fifty-one million, one hundred two thousand, thirty-six".