53505486 has 12 divisors (see below), whose sum is σ = 115928592. Its totient is φ = 17835156.

The previous prime is 53505467. The next prime is 53505497. The reversal of 53505486 is 68450535.

It is a self number, because there is not a number n which added to its sum of digits gives 53505486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1486246 + ... + 1486281.

It is an arithmetic number, because the mean of its divisors is an integer number (9660716).

Almost surely, 2^53505486 is an apocalyptic number.

53505486 is an abundant number, since it is smaller than the sum of its proper divisors (62423106).

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

53505486 is a wasteful number, since it uses less digits than its factorization.

53505486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972535 (or 2972532 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 53505486 is about 7314.7444247902. The cubic root of 53505486 is about 376.8189812202.

The spelling of 53505486 in words is "fifty-three million, five hundred five thousand, four hundred eighty-six".