55075330590 has 128 divisors (see below), whose sum is σ = 159408000000. Its totient is φ = 11896574976.

The previous prime is 55075330579. The next prime is 55075330643. The reversal of 55075330590 is 9503357055.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1615036 + ... + 1648784.

It is an arithmetic number, because the mean of its divisors is an integer number (1245375000).

Almost surely, 2^55075330590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55075330590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79704000000).

55075330590 is an abundant number, since it is smaller than the sum of its proper divisors (104332669410).

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

55075330590 is a wasteful number, since it uses less digits than its factorization.

55075330590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34194.

The product of its (nonzero) digits is 354375, while the sum is 42.

The spelling of 55075330590 in words is "fifty-five billion, seventy-five million, three hundred thirty thousand, five hundred ninety".