51042036 has 24 divisors (see below), whose sum is σ = 119901600. Its totient is φ = 16899232.

The previous prime is 51041957. The next prime is 51042053. The reversal of 51042036 is 63024015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12486 + ... + 16061.

It is an arithmetic number, because the mean of its divisors is an integer number (4995900).

Almost surely, 2^51042036 is an apocalyptic number.

It is an amenable number.

51042036 is an abundant number, since it is smaller than the sum of its proper divisors (68859564).

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

51042036 is a wasteful number, since it uses less digits than its factorization.

51042036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28703 (or 28701 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51042036 is about 7144.3709310197. The cubic root of 51042036 is about 370.9448362364.

It can be divided in two parts, 5104 and 2036, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 51042036 in words is "fifty-one million, forty-two thousand, thirty-six".