53075478 has 16 divisors (see below), whose sum is σ = 106470000. Its totient is φ = 17638656.

The previous prime is 53075471. The next prime is 53075483. The reversal of 53075478 is 87457035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075471) 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, 11103 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (6654375).

Almost surely, 2^53075478 is an apocalyptic number.

53075478 is an abundant number, since it is smaller than the sum of its proper divisors (53394522).

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

53075478 is a wasteful number, since it uses less digits than its factorization.

53075478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26591.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 53075478 is about 7285.2918953190. The cubic root of 53075478 is about 375.8068033817.

The spelling of 53075478 in words is "fifty-three million, seventy-five thousand, four hundred seventy-eight".