55882031 has 4 divisors (see below), whose sum is σ = 56284200. Its totient is φ = 55479864.

The previous prime is 55882007. The next prime is 55882033. The reversal of 55882031 is 13028855.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55882031 - 2¹⁴ = 55865647 is a prime.

It is a super-2 number, since 2×55882031² = 6245602777369922, 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 (55882033) 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, 200876 + ... + 201153.

It is an arithmetic number, because the mean of its divisors is an integer number (14071050).

Almost surely, 2^55882031 is an apocalyptic number.

55882031 is a deficient number, since it is larger than the sum of its proper divisors (402169).

55882031 is a wasteful number, since it uses less digits than its factorization.

55882031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402168.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 55882031 is about 7475.4284827025. The cubic root of 55882031 is about 382.3173969989.

The spelling of 55882031 in words is "fifty-five million, eight hundred eighty-two thousand, thirty-one".