53889680 has 40 divisors (see below), whose sum is σ = 134934072. Its totient is φ = 19897344.

The previous prime is 53889679. The next prime is 53889697. The reversal of 53889680 is 8698835.

It can be written as a sum of positive squares in 4 ways, for example, as 190096 + 53699584 = 436^2 + 7328^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×53889680² = 5808195221004800, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 24869 + ... + 26948.

Almost surely, 2^53889680 is an apocalyptic number.

It is an amenable number.

53889680 is an abundant number, since it is smaller than the sum of its proper divisors (81044392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53889680 is a wasteful number, since it uses less digits than its factorization.

53889680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51843 (or 51837 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 53889680 is about 7340.9590654083. The cubic root of 53889680 is about 377.7187422808.

The spelling of 53889680 in words is "fifty-three million, eight hundred eighty-nine thousand, six hundred eighty".