53466540 has 48 divisors (see below), whose sum is σ = 150293472. Its totient is φ = 14201856.

The previous prime is 53466529. The next prime is 53466557. The reversal of 53466540 is 4566435.

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, 15012 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (3131114).

Almost surely, 2^53466540 is an apocalyptic number.

It is an amenable number.

53466540 is an abundant number, since it is smaller than the sum of its proper divisors (96826932).

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

53466540 is a wasteful number, since it uses less digits than its factorization.

53466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 53466540 is about 7312.0817829124. The cubic root of 53466540 is about 376.7275316929.

The spelling of 53466540 in words is "fifty-three million, four hundred sixty-six thousand, five hundred forty".