51036120 has 48 divisors (see below), whose sum is σ = 165868560. Its totient is φ = 13609536.

The previous prime is 51036113. The next prime is 51036131. The reversal of 51036120 is 2163015.

51036120 is a `hidden beast` number, since 51 + 0 + 3 + 612 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 51036093 and 51036102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70524 + ... + 71243.

It is an arithmetic number, because the mean of its divisors is an integer number (3455595).

Almost surely, 2^51036120 is an apocalyptic number.

It is an amenable number.

51036120 is an abundant number, since it is smaller than the sum of its proper divisors (114832440).

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

51036120 is a wasteful number, since it uses less digits than its factorization.

51036120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141784 (or 141777 counting only the distinct ones).

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

The square root of 51036120 is about 7143.9568867680. The cubic root of 51036120 is about 370.9305042948.

Adding to 51036120 its reverse (2163015), we get a palindrome (53199135).

The spelling of 51036120 in words is "fifty-one million, thirty-six thousand, one hundred twenty".