55007013530 has 64 divisors (see below), whose sum is σ = 119550090240. Its totient is φ = 17821757184.

The previous prime is 55007013497. The next prime is 55007013533. The reversal of 55007013530 is 3531070055.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 55007013493 and 55007013502.

It is not an unprimeable number, because it can be changed into a prime (55007013533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192857 + ... + 383676.

It is an arithmetic number, because the mean of its divisors is an integer number (1867970160).

Almost surely, 2^55007013530 is an apocalyptic number.

55007013530 is an abundant number, since it is smaller than the sum of its proper divisors (64543076710).

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

55007013530 is a wasteful number, since it uses less digits than its factorization.

55007013530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576623.

The product of its (nonzero) digits is 7875, while the sum is 29.

Adding to 55007013530 its reverse (3531070055), we get a palindrome (58538083585).

The spelling of 55007013530 in words is "fifty-five billion, seven million, thirteen thousand, five hundred thirty".