51545048 has 8 divisors (see below), whose sum is σ = 96646980. Its totient is φ = 25772520.

The previous prime is 51545029. The next prime is 51545059. The reversal of 51545048 is 84054515.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221558 + ... + 3221573.

Almost surely, 2^51545048 is an apocalyptic number.

It is an amenable number.

51545048 is a deficient number, since it is larger than the sum of its proper divisors (45101932).

51545048 is a wasteful number, since it uses less digits than its factorization.

51545048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443137 (or 6443133 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 51545048 is about 7179.4880040293. The cubic root of 51545048 is about 372.1593913634.

The spelling of 51545048 in words is "fifty-one million, five hundred forty-five thousand, forty-eight".