53552615 has 8 divisors (see below), whose sum is σ = 64733040. Its totient is φ = 42528832.

The previous prime is 53552591. The next prime is 53552617. The reversal of 53552615 is 51625535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53552615 - 2¹⁶ = 53487079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53552617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38405 + ... + 39774.

It is an arithmetic number, because the mean of its divisors is an integer number (8091630).

Almost surely, 2^53552615 is an apocalyptic number.

53552615 is a deficient number, since it is larger than the sum of its proper divisors (11180425).

53552615 is a wasteful number, since it uses less digits than its factorization.

53552615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78321.

The product of its digits is 22500, while the sum is 32.

The square root of 53552615 is about 7317.9652226558. The cubic root of 53552615 is about 376.9295860162.

The spelling of 53552615 in words is "fifty-three million, five hundred fifty-two thousand, six hundred fifteen".