55015404330 has 32 divisors (see below), whose sum is σ = 135257387328. Its totient is φ = 14312950400.

The previous prime is 55015404307. The next prime is 55015404347. The reversal of 55015404330 is 3340451055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22362756 + ... + 22365215.

It is an arithmetic number, because the mean of its divisors is an integer number (4226793354).

Almost surely, 2^55015404330 is an apocalyptic number.

55015404330 is an abundant number, since it is smaller than the sum of its proper divisors (80241982998).

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

55015404330 is a wasteful number, since it uses less digits than its factorization.

55015404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44728022.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 55015404330 its reverse (3340451055), we get a palindrome (58355855385).

The spelling of 55015404330 in words is "fifty-five billion, fifteen million, four hundred four thousand, three hundred thirty".