53668550 has 24 divisors (see below), whose sum is σ = 107503536. Its totient is φ = 19815840.

The previous prime is 53668543. The next prime is 53668561. The reversal of 53668550 is 5586635.

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, 40634 + ... + 41933.

It is an arithmetic number, because the mean of its divisors is an integer number (4479314).

Almost surely, 2^53668550 is an apocalyptic number.

53668550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53668550 is an abundant number, since it is smaller than the sum of its proper divisors (53834986).

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

53668550 is a wasteful number, since it uses less digits than its factorization.

53668550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82592 (or 82587 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 53668550 is about 7325.8821994351. The cubic root of 53668550 is about 377.2013924432.

The spelling of 53668550 in words is "fifty-three million, six hundred sixty-eight thousand, five hundred fifty".