53505480 has 64 divisors (see below), whose sum is σ = 183450240. Its totient is φ = 12229632.

The previous prime is 53505467. The next prime is 53505497. The reversal of 53505480 is 8450535.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31009 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (2866410).

Almost surely, 2^53505480 is an apocalyptic number.

It is an amenable number.

53505480 is an abundant number, since it is smaller than the sum of its proper divisors (129944760).

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

53505480 is a wasteful number, since it uses less digits than its factorization.

53505480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63718 (or 63714 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53505480 is about 7314.7440146597. The cubic root of 53505480 is about 376.8189671350.

The spelling of 53505480 in words is "fifty-three million, five hundred five thousand, four hundred eighty".