53887556 has 6 divisors (see below), whose sum is σ = 94303230. Its totient is φ = 26943776.

The previous prime is 53887549. The next prime is 53887567. The reversal of 53887556 is 65578835.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 24900100 = 5384^2 + 4990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53887556.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6735941 + ... + 6735948.

It is an arithmetic number, because the mean of its divisors is an integer number (15717205).

Almost surely, 2^53887556 is an apocalyptic number.

It is an amenable number.

53887556 is a deficient number, since it is larger than the sum of its proper divisors (40415674).

53887556 is a wasteful number, since it uses less digits than its factorization.

53887556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471893 (or 13471891 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 53887556 is about 7340.8143962370. The cubic root of 53887556 is about 377.7137797651.

The spelling of 53887556 in words is "fifty-three million, eight hundred eighty-seven thousand, five hundred fifty-six".