51545848 has 8 divisors (see below), whose sum is σ = 96648480. Its totient is φ = 25772920.

The previous prime is 51545831. The next prime is 51545849. The reversal of 51545848 is 84854515.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51545848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51545849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221608 + ... + 3221623.

It is an arithmetic number, because the mean of its divisors is an integer number (12081060).

Almost surely, 2^51545848 is an apocalyptic number.

It is an amenable number.

51545848 is a deficient number, since it is larger than the sum of its proper divisors (45102632).

51545848 is a wasteful number, since it uses less digits than its factorization.

51545848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443237 (or 6443233 counting only the distinct ones).

The product of its digits is 128000, while the sum is 40.

The square root of 51545848 is about 7179.5437180924. The cubic root of 51545848 is about 372.1613167082.

The spelling of 51545848 in words is "fifty-one million, five hundred forty-five thousand, eight hundred forty-eight".