53158478 has 8 divisors (see below), whose sum is σ = 79831272. Its totient is φ = 26548056.

The previous prime is 53158471. The next prime is 53158489. The reversal of 53158478 is 87485135.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53158471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13400 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (9978909).

Almost surely, 2^53158478 is an apocalyptic number.

53158478 is a deficient number, since it is larger than the sum of its proper divisors (26672794).

53158478 is a wasteful number, since it uses less digits than its factorization.

53158478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31186.

The product of its digits is 134400, while the sum is 41.

The square root of 53158478 is about 7290.9860787139. The cubic root of 53158478 is about 376.0025982543.

The spelling of 53158478 in words is "fifty-three million, one hundred fifty-eight thousand, four hundred seventy-eight".