51836870 has 8 divisors (see below), whose sum is σ = 93306384. Its totient is φ = 20734744.

The previous prime is 51836857. The next prime is 51836923. The reversal of 51836870 is 7863815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51836870² = 5374122182793800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591834 + ... + 2591853.

It is an arithmetic number, because the mean of its divisors is an integer number (11663298).

Almost surely, 2^51836870 is an apocalyptic number.

51836870 is a deficient number, since it is larger than the sum of its proper divisors (41469514).

51836870 is a wasteful number, since it uses less digits than its factorization.

51836870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183694.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 51836870 is about 7199.7826356078. The cubic root of 51836870 is about 372.8603962133.

The spelling of 51836870 in words is "fifty-one million, eight hundred thirty-six thousand, eight hundred seventy".