51748025 has 12 divisors (see below), whose sum is σ = 73334592. Its totient is φ = 35484240.

The previous prime is 51748007. The next prime is 51748043. The reversal of 51748025 is 52084715.

It is an interprime number because it is at equal distance from previous prime (51748007) and next prime (51748043).

It is a de Polignac number, because none of the positive numbers 2^k-51748025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51747982 and 51748000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147677 + ... + 148026.

It is an arithmetic number, because the mean of its divisors is an integer number (6111216).

Almost surely, 2^51748025 is an apocalyptic number.

It is an amenable number.

51748025 is a deficient number, since it is larger than the sum of its proper divisors (21586567).

51748025 is a wasteful number, since it uses less digits than its factorization.

51748025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295720 (or 295715 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 51748025 is about 7193.6100116701. The cubic root of 51748025 is about 372.6472549643.

The spelling of 51748025 in words is "fifty-one million, seven hundred forty-eight thousand, twenty-five".