53487788 has 24 divisors (see below), whose sum is σ = 98068320. Its totient is φ = 25477760.

The previous prime is 53487787. The next prime is 53487799. The reversal of 53487788 is 88778435.

It is not an unprimeable number, because it can be changed into a prime (53487787) 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, 24818 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (4086180).

Almost surely, 2^53487788 is an apocalyptic number.

It is an amenable number.

53487788 is a deficient number, since it is larger than the sum of its proper divisors (44580532).

53487788 is a wasteful number, since it uses less digits than its factorization.

53487788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2375 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 53487788 is about 7313.5345763864. The cubic root of 53487788 is about 376.7774298563. Note that the first 3 decimals are identical.

The spelling of 53487788 in words is "fifty-three million, four hundred eighty-seven thousand, seven hundred eighty-eight".