53478481 has 8 divisors (see below), whose sum is σ = 64713600. Its totient is φ = 43142208.

The previous prime is 53478461. The next prime is 53478499. The reversal of 53478481 is 18487435.

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

It is a cyclic number.

It is not a de Polignac number, because 53478481 - 2⁵ = 53478449 is a prime.

It is a super-2 number, since 2×53478481² = 5719895860134722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53478421) 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, 224581 + ... + 224818.

It is an arithmetic number, because the mean of its divisors is an integer number (8089200).

Almost surely, 2^53478481 is an apocalyptic number.

It is an amenable number.

53478481 is a deficient number, since it is larger than the sum of its proper divisors (11235119).

53478481 is a wasteful number, since it uses less digits than its factorization.

53478481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449423.

The product of its digits is 107520, while the sum is 40.

The square root of 53478481 is about 7312.8982626589. The cubic root of 53478481 is about 376.7555752045.

The spelling of 53478481 in words is "fifty-three million, four hundred seventy-eight thousand, four hundred eighty-one".