52651616 has 12 divisors (see below), whose sum is σ = 103657932. Its totient is φ = 26325792.

The previous prime is 52651607. The next prime is 52651663. The reversal of 52651616 is 61615625.

It is a super-2 number, since 2×52651616² = 5544385334822912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1645363 = 52651616 / (5 + 2 + 6 + 5 + 1 + 6 + 1 + 6).

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 as a sum of consecutive naturals, namely, 822650 + ... + 822713.

It is an arithmetic number, because the mean of its divisors is an integer number (8638161).

Almost surely, 2^52651616 is an apocalyptic number.

It is an amenable number.

52651616 is a deficient number, since it is larger than the sum of its proper divisors (51006316).

52651616 is a wasteful number, since it uses less digits than its factorization.

52651616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645373 (or 1645365 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 52651616 is about 7256.1433282426. The cubic root of 52651616 is about 374.8037278090.

The spelling of 52651616 in words is "fifty-two million, six hundred fifty-one thousand, six hundred sixteen".