52555501 has 8 divisors (see below), whose sum is σ = 55479680. Its totient is φ = 49647168.

The previous prime is 52555499. The next prime is 52555507. The reversal of 52555501 is 10555525.

It is a happy number.

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 52555501 - 2¹ = 52555499 is a prime.

It is a super-2 number, since 2×52555501² = 5524161370722002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52555501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555507) 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, 3205 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (6934960).

Almost surely, 2^52555501 is an apocalyptic number.

It is an amenable number.

52555501 is a deficient number, since it is larger than the sum of its proper divisors (2924179).

52555501 is a wasteful number, since it uses less digits than its factorization.

52555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7923.

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 52555501 is about 7249.5172942755. The cubic root of 52555501 is about 374.5755220676.

The spelling of 52555501 in words is "fifty-two million, five hundred fifty-five thousand, five hundred one".