55012332531 has 8 divisors (see below), whose sum is σ = 78992067280. Its totient is φ = 33853743072.

The previous prime is 55012332517. The next prime is 55012332541. The reversal of 55012332531 is 13523321055.

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

It is not a de Polignac number, because 55012332531 - 2¹⁴ = 55012316147 is a prime.

It is a super-2 number, since 2×55012332531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55012332511) 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, 705286276 + ... + 705286353.

It is an arithmetic number, because the mean of its divisors is an integer number (9874008410).

Almost surely, 2^55012332531 is an apocalyptic number.

55012332531 is a deficient number, since it is larger than the sum of its proper divisors (23979734749).

55012332531 is a wasteful number, since it uses less digits than its factorization.

55012332531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410572645.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 55012332531 its reverse (13523321055), we get a palindrome (68535653586).

The spelling of 55012332531 in words is "fifty-five billion, twelve million, three hundred thirty-two thousand, five hundred thirty-one".