51347752 has 16 divisors (see below), whose sum is σ = 101940660. Its totient is φ = 24163584.

The previous prime is 51347731. The next prime is 51347773. The reversal of 51347752 is 25774315.

It is an interprime number because it is at equal distance from previous prime (51347731) and next prime (51347773).

It can be written as a sum of positive squares in 2 ways, for example, as 50211396 + 1136356 = 7086^2 + 1066^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188643 + ... + 188914.

Almost surely, 2^51347752 is an apocalyptic number.

It is an amenable number.

51347752 is a deficient number, since it is larger than the sum of its proper divisors (50592908).

51347752 is a wasteful number, since it uses less digits than its factorization.

51347752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377580 (or 377576 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 51347752 is about 7165.7345750453. The cubic root of 51347752 is about 371.6839532492.

The spelling of 51347752 in words is "fifty-one million, three hundred forty-seven thousand, seven hundred fifty-two".