53870478 has 16 divisors (see below), whose sum is σ = 108144720. Its totient is φ = 17889536.

The previous prime is 53870477. The next prime is 53870497. The reversal of 53870478 is 87407835.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53870473) 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, 15075 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (6759045).

Almost surely, 2^53870478 is an apocalyptic number.

53870478 is an abundant number, since it is smaller than the sum of its proper divisors (54274242).

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

53870478 is a wasteful number, since it uses less digits than its factorization.

53870478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33651.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 53870478 is about 7339.6510816251. The cubic root of 53870478 is about 377.6738739689.

The spelling of 53870478 in words is "fifty-three million, eight hundred seventy thousand, four hundred seventy-eight".