53905478 has 8 divisors (see below), whose sum is σ = 88209000. Its totient is φ = 24502480.

The previous prime is 53905477. The next prime is 53905499. The reversal of 53905478 is 87450935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53905477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1225103 + ... + 1225146.

It is an arithmetic number, because the mean of its divisors is an integer number (11026125).

Almost surely, 2^53905478 is an apocalyptic number.

53905478 is a deficient number, since it is larger than the sum of its proper divisors (34303522).

53905478 is a wasteful number, since it uses less digits than its factorization.

53905478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450262.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 53905478 is about 7342.0350040026. The cubic root of 53905478 is about 377.7556486525.

The spelling of 53905478 in words is "fifty-three million, nine hundred five thousand, four hundred seventy-eight".