53207616 has 224 divisors, whose sum is σ = 181416960. Its totient is φ = 13363200.

The previous prime is 53207573. The next prime is 53207629. The reversal of 53207616 is 61670235.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 872226 + ... + 872286.

Almost surely, 2^53207616 is an apocalyptic number.

53207616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53207616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90708480).

53207616 is an abundant number, since it is smaller than the sum of its proper divisors (128209344).

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

53207616 is a wasteful number, since it uses less digits than its factorization.

53207616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 53207616 is about 7294.3550777296. The cubic root of 53207616 is about 376.1184175077.

The spelling of 53207616 in words is "fifty-three million, two hundred seven thousand, six hundred sixteen".