53550616 has 16 divisors (see below), whose sum is σ = 114751440. Its totient is φ = 22950240.

The previous prime is 53550613. The next prime is 53550631. The reversal of 53550616 is 61605535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53550613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478075 + ... + 478186.

It is an arithmetic number, because the mean of its divisors is an integer number (7171965).

Almost surely, 2^53550616 is an apocalyptic number.

53550616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53550616 is an abundant number, since it is smaller than the sum of its proper divisors (61200824).

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

53550616 is a wasteful number, since it uses less digits than its factorization.

53550616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956274 (or 956270 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 53550616 is about 7317.8286396991. The cubic root of 53550616 is about 376.9248959769.

The spelling of 53550616 in words is "fifty-three million, five hundred fifty thousand, six hundred sixteen".