53487928 has 32 divisors (see below), whose sum is σ = 108309600. Its totient is φ = 24617088.

The previous prime is 53487923. The next prime is 53487937. The reversal of 53487928 is 82978435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53487923) 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, 63333 + ... + 64171.

It is an arithmetic number, because the mean of its divisors is an integer number (3384675).

Almost surely, 2^53487928 is an apocalyptic number.

It is an amenable number.

53487928 is an abundant number, since it is smaller than the sum of its proper divisors (54821672).

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

53487928 is a wasteful number, since it uses less digits than its factorization.

53487928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 53487928 is about 7313.5441476756. The cubic root of 53487928 is about 376.7777585843. Note that the first 4 decimals are identical.

The spelling of 53487928 in words is "fifty-three million, four hundred eighty-seven thousand, nine hundred twenty-eight".