52055501 has 4 divisors (see below), whose sum is σ = 52571004. Its totient is φ = 51540000.

The previous prime is 52055483. The next prime is 52055503. The reversal of 52055501 is 10555025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34633225 + 17422276 = 5885^2 + 4174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52055501 is a prime.

It is a super-2 number, since 2×52055501² = 5419550368722002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52055503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257600 + ... + 257801.

It is an arithmetic number, because the mean of its divisors is an integer number (13142751).

Almost surely, 2^52055501 is an apocalyptic number.

It is an amenable number.

52055501 is a deficient number, since it is larger than the sum of its proper divisors (515503).

52055501 is a wasteful number, since it uses less digits than its factorization.

52055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515502.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 52055501 is about 7214.9498265754. The cubic root of 52055501 is about 373.3838621199.

The spelling of 52055501 in words is "fifty-two million, fifty-five thousand, five hundred one".