53913478 has 8 divisors (see below), whose sum is σ = 81277200. Its totient is φ = 26821080.

The previous prime is 53913467. The next prime is 53913479. The reversal of 53913478 is 87431935.

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

It is a super-2 number, since 2×53913478² = 5813326220112968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53913478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53913479) 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, 67333 + ... + 68128.

It is an arithmetic number, because the mean of its divisors is an integer number (10159650).

Almost surely, 2^53913478 is an apocalyptic number.

53913478 is a deficient number, since it is larger than the sum of its proper divisors (27363722).

53913478 is a wasteful number, since it uses less digits than its factorization.

53913478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135662.

The product of its digits is 90720, while the sum is 40.

The square root of 53913478 is about 7342.5797918715. The cubic root of 53913478 is about 377.7743350385.

The spelling of 53913478 in words is "fifty-three million, nine hundred thirteen thousand, four hundred seventy-eight".