51675038 has 4 divisors (see below), whose sum is σ = 77512560. Its totient is φ = 25837518.

The previous prime is 51675031. The next prime is 51675049. The reversal of 51675038 is 83057615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83057615 = 5 ⋅16611523.

It is a junction number, because it is equal to n+sod(n) for n = 51674989 and 51675007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51675031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12918758 + ... + 12918761.

It is an arithmetic number, because the mean of its divisors is an integer number (19378140).

Almost surely, 2^51675038 is an apocalyptic number.

51675038 is a deficient number, since it is larger than the sum of its proper divisors (25837522).

51675038 is a wasteful number, since it uses less digits than its factorization.

51675038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25837521.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 51675038 is about 7188.5351776283. The cubic root of 51675038 is about 372.4719748295.

The spelling of 51675038 in words is "fifty-one million, six hundred seventy-five thousand, thirty-eight".