53986550 has 24 divisors (see below), whose sum is σ = 102555936. Its totient is φ = 21134240.

The previous prime is 53986547. The next prime is 53986561. The reversal of 53986550 is 5568935.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53986498 and 53986507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9137 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (4273164).

Almost surely, 2^53986550 is an apocalyptic number.

53986550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53986550 is a deficient number, since it is larger than the sum of its proper divisors (48569386).

53986550 is a wasteful number, since it uses less digits than its factorization.

53986550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23032 (or 23027 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 53986550 is about 7347.5540147725. The cubic root of 53986550 is about 377.9449309958.

The spelling of 53986550 in words is "fifty-three million, nine hundred eighty-six thousand, five hundred fifty".