51675825 has 48 divisors (see below), whose sum is σ = 92315520. Its totient is φ = 25428480.

The previous prime is 51675817. The next prime is 51675847. The reversal of 51675825 is 52857615.

It is not a de Polignac number, because 51675825 - 2³ = 51675817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49509 + ... + 50541.

It is an arithmetic number, because the mean of its divisors is an integer number (1923240).

Almost surely, 2^51675825 is an apocalyptic number.

It is an amenable number.

51675825 is a deficient number, since it is larger than the sum of its proper divisors (40639695).

51675825 is a wasteful number, since it uses less digits than its factorization.

51675825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1093 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 51675825 is about 7188.5899173621. The cubic root of 51675825 is about 372.4738657100.

The spelling of 51675825 in words is "fifty-one million, six hundred seventy-five thousand, eight hundred twenty-five".