53065554 has 16 divisors (see below), whose sum is σ = 110745792. Its totient is φ = 16919408.

The previous prime is 53065513. The next prime is 53065559. The reversal of 53065554 is 45556035.

It is not an unprimeable number, because it can be changed into a prime (53065559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192129 + ... + 192404.

It is an arithmetic number, because the mean of its divisors is an integer number (6921612).

Almost surely, 2^53065554 is an apocalyptic number.

53065554 is an abundant number, since it is smaller than the sum of its proper divisors (57680238).

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

53065554 is a wasteful number, since it uses less digits than its factorization.

53065554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384561.

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 53065554 is about 7284.6107651679. The cubic root of 53065554 is about 375.7833792612.

The spelling of 53065554 in words is "fifty-three million, sixty-five thousand, five hundred fifty-four".