51738925 has 24 divisors (see below), whose sum is σ = 75120192. Its totient is φ = 34608000.

The previous prime is 51738889. The next prime is 51738931. The reversal of 51738925 is 52983715.

It is not a de Polignac number, because 51738925 - 2¹³ = 51730733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3570 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (3130008).

Almost surely, 2^51738925 is an apocalyptic number.

It is an amenable number.

51738925 is a deficient number, since it is larger than the sum of its proper divisors (23381267).

51738925 is a wasteful number, since it uses less digits than its factorization.

51738925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269 (or 7264 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 51738925 is about 7192.9774780685. The cubic root of 51738925 is about 372.6254100802.

The spelling of 51738925 in words is "fifty-one million, seven hundred thirty-eight thousand, nine hundred twenty-five".