55261587119730 has 32 divisors (see below), whose sum is σ = 132904693900800. Its totient is φ = 14705658252672.

The previous prime is 55261587119729. The next prime is 55261587119737. The reversal of 55261587119730 is 3791178516255.

It is not an unprimeable number, because it can be changed into a prime (55261587119737) 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, 1922796595 + ... + 1922825334.

It is an arithmetic number, because the mean of its divisors is an integer number (4153271684400).

Almost surely, 2^{55261587119730} is an apocalyptic number.

55261587119730 is an abundant number, since it is smaller than the sum of its proper divisors (77643106781070).

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

55261587119730 is a wasteful number, since it uses less digits than its factorization.

55261587119730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845622418.

The product of its (nonzero) digits is 15876000, while the sum is 60.

The spelling of 55261587119730 in words is "fifty-five trillion, two hundred sixty-one billion, five hundred eighty-seven million, one hundred nineteen thousand, seven hundred thirty".