55532845 has 8 divisors (see below), whose sum is σ = 66919680. Its totient is φ = 44239440.

The previous prime is 55532843. The next prime is 55532849. The reversal of 55532845 is 54823555.

It is a happy number.

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

It is not a de Polignac number, because 55532845 - 2¹ = 55532843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532843) 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, 22041 + ... + 24430.

It is an arithmetic number, because the mean of its divisors is an integer number (8364960).

Almost surely, 2^55532845 is an apocalyptic number.

It is an amenable number.

55532845 is a deficient number, since it is larger than the sum of its proper divisors (11386835).

55532845 is a wasteful number, since it uses less digits than its factorization.

55532845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46715.

The product of its digits is 120000, while the sum is 37.

The square root of 55532845 is about 7452.0362988917. The cubic root of 55532845 is about 381.5194129051.

It can be divided in two parts, 55 and 532845, that added together give a square (532900 = 730²).

The spelling of 55532845 in words is "fifty-five million, five hundred thirty-two thousand, eight hundred forty-five".