51484780 has 12 divisors (see below), whose sum is σ = 108118080. Its totient is φ = 20593904.

The previous prime is 51484777. The next prime is 51484799. The reversal of 51484780 is 8748415.

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 3 ways as a sum of consecutive naturals, for example, 1287100 + ... + 1287139.

It is an arithmetic number, because the mean of its divisors is an integer number (9009840).

Almost surely, 2^51484780 is an apocalyptic number.

It is an amenable number.

51484780 is an abundant number, since it is smaller than the sum of its proper divisors (56633300).

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

51484780 is a wasteful number, since it uses less digits than its factorization.

51484780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574248 (or 2574246 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 51484780 is about 7175.2895411962. The cubic root of 51484780 is about 372.0142881936.

The spelling of 51484780 in words is "fifty-one million, four hundred eighty-four thousand, seven hundred eighty".