51896018 has 8 divisors (see below), whose sum is σ = 78134220. Its totient is φ = 25851280.

The previous prime is 51896017. The next prime is 51896029. The reversal of 51896018 is 81069815.

It can be written as a sum of positive squares in 2 ways, for example, as 51652969 + 243049 = 7187^2 + 493^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51896017) 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, 47693 + ... + 48768.

Almost surely, 2^51896018 is an apocalyptic number.

51896018 is a deficient number, since it is larger than the sum of its proper divisors (26238202).

51896018 is a wasteful number, since it uses less digits than its factorization.

51896018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96732.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 51896018 is about 7203.8890885410. The cubic root of 51896018 is about 373.0021586556.

The spelling of 51896018 in words is "fifty-one million, eight hundred ninety-six thousand, eighteen".