55562533 has 4 divisors (see below), whose sum is σ = 59836588. Its totient is φ = 51288480.

The previous prime is 55562519. The next prime is 55562543. The reversal of 55562533 is 33526555.

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 25070049 + 30492484 = 5007^2 + 5522^2 .

It is a cyclic number.

It is not a de Polignac number, because 55562533 - 2⁵ = 55562501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55562513) 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, 2137008 + ... + 2137033.

It is an arithmetic number, because the mean of its divisors is an integer number (14959147).

Almost surely, 2^55562533 is an apocalyptic number.

It is an amenable number.

55562533 is a deficient number, since it is larger than the sum of its proper divisors (4274055).

55562533 is a wasteful number, since it uses less digits than its factorization.

55562533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274054.

The product of its digits is 67500, while the sum is 34.

The square root of 55562533 is about 7454.0279715064. The cubic root of 55562533 is about 381.5873878758.

The spelling of 55562533 in words is "fifty-five million, five hundred sixty-two thousand, five hundred thirty-three".