55132000031 has 4 divisors (see below), whose sum is σ = 55132873992. Its totient is φ = 55131126072.

The previous prime is 55131999947. The next prime is 55132000081. The reversal of 55132000031 is 13000023155.

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 55132000031 - 2¹⁸ = 55131737887 is a prime.

It is a super-2 number, since 2×55132000031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55131999967 and 55132000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132000081) 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, 334316 + ... + 471201.

It is an arithmetic number, because the mean of its divisors is an integer number (13783218498).

Almost surely, 2^55132000031 is an apocalyptic number.

55132000031 is a deficient number, since it is larger than the sum of its proper divisors (873961).

55132000031 is an equidigital number, since it uses as much as digits as its factorization.

55132000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873960.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 55132000031 its reverse (13000023155), we get a palindrome (68132023186).

The spelling of 55132000031 in words is "fifty-five billion, one hundred thirty-two million, thirty-one", and thus it is an aban number.