55631413000 has 64 divisors (see below), whose sum is σ = 130302684720. Its totient is φ = 22231168000.

The previous prime is 55631412989. The next prime is 55631413009. The reversal of 55631413000 is 31413655.

It can be written as a sum of positive squares in 8 ways, for example, as 9421031844 + 46210381156 = 97062^2 + 214966^2 .

It is a super-2 number, since 2×55631413000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55631413000.

It is not an unprimeable number, because it can be changed into a prime (55631413009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034784 + ... + 1087216.

Almost surely, 2^55631413000 is an apocalyptic number.

55631413000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55631413000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65151342360).

55631413000 is an abundant number, since it is smaller than the sum of its proper divisors (74671271720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55631413000 is a wasteful number, since it uses less digits than its factorization.

55631413000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53515 (or 53501 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 55631413000 its reverse (31413655), we get a palindrome (55662826655).

The spelling of 55631413000 in words is "fifty-five billion, six hundred thirty-one million, four hundred thirteen thousand".