51899248 has 20 divisors (see below), whose sum is σ = 101037928. Its totient is φ = 25824960.

The previous prime is 51899219. The next prime is 51899251. The reversal of 51899248 is 84299815.

It is a junction number, because it is equal to n+sod(n) for n = 51899198 and 51899207.

It is a congruent number.

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, 4311 + ... + 11062.

Almost surely, 2^51899248 is an apocalyptic number.

It is an amenable number.

51899248 is a deficient number, since it is larger than the sum of its proper divisors (49138680).

51899248 is a wasteful number, since it uses less digits than its factorization.

51899248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15592 (or 15586 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 51899248 is about 7204.1132695149. The cubic root of 51899248 is about 373.0098970270.

The spelling of 51899248 in words is "fifty-one million, eight hundred ninety-nine thousand, two hundred forty-eight".