55780585190 has 32 divisors (see below), whose sum is σ = 109546210080. Its totient is φ = 20281363200.

The previous prime is 55780585109. The next prime is 55780585243. The reversal of 55780585190 is 9158508755.

It is a super-2 number, since 2×55780585190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036466 + ... + 1088954.

It is an arithmetic number, because the mean of its divisors is an integer number (3423319065).

Almost surely, 2^55780585190 is an apocalyptic number.

55780585190 is a deficient number, since it is larger than the sum of its proper divisors (53765624890).

55780585190 is a wasteful number, since it uses less digits than its factorization.

55780585190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62168.

The product of its (nonzero) digits is 2520000, while the sum is 53.

The spelling of 55780585190 in words is "fifty-five billion, seven hundred eighty million, five hundred eighty-five thousand, one hundred ninety".