51948972 has 24 divisors (see below), whose sum is σ = 134682800. Its totient is φ = 17316288.

The previous prime is 51948937. The next prime is 51948979. The reversal of 51948972 is 27984915.

51948972 is a `hidden beast` number, since 519 + 48 + 97 + 2 = 666.

51948972 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 (51948979) 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, 240397 + ... + 240612.

Almost surely, 2^51948972 is an apocalyptic number.

It is an amenable number.

51948972 is an abundant number, since it is smaller than the sum of its proper divisors (82733828).

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

51948972 is a wasteful number, since it uses less digits than its factorization.

51948972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481022 (or 481014 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 51948972 is about 7207.5635272955. The cubic root of 51948972 is about 373.1289843265.

The spelling of 51948972 in words is "fifty-one million, nine hundred forty-eight thousand, nine hundred seventy-two".