51746748 has 12 divisors (see below), whose sum is σ = 120742440. Its totient is φ = 17248912.

The previous prime is 51746743. The next prime is 51746753. The reversal of 51746748 is 84764715.

It is an interprime number because it is at equal distance from previous prime (51746743) and next prime (51746753).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51746741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156103 + ... + 2156126.

It is an arithmetic number, because the mean of its divisors is an integer number (10061870).

Almost surely, 2^51746748 is an apocalyptic number.

It is an amenable number.

51746748 is an abundant number, since it is smaller than the sum of its proper divisors (68995692).

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

51746748 is a wasteful number, since it uses less digits than its factorization.

51746748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312236 (or 4312234 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 51746748 is about 7193.5212517932. The cubic root of 51746748 is about 372.6441896334.

The spelling of 51746748 in words is "fifty-one million, seven hundred forty-six thousand, seven hundred forty-eight".