51772548 has 24 divisors (see below), whose sum is σ = 127909152. Its totient is φ = 16242304.

The previous prime is 51772543. The next prime is 51772577. The reversal of 51772548 is 84527715.

51772548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51772543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126690 + ... + 127097.

It is an arithmetic number, because the mean of its divisors is an integer number (5329548).

Almost surely, 2^51772548 is an apocalyptic number.

It is an amenable number.

51772548 is an abundant number, since it is smaller than the sum of its proper divisors (76136604).

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

51772548 is a wasteful number, since it uses less digits than its factorization.

51772548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253811 (or 253809 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 51772548 is about 7195.3143086317. The cubic root of 51772548 is about 372.7061105790.

The spelling of 51772548 in words is "fifty-one million, seven hundred seventy-two thousand, five hundred forty-eight".