1955562885 has 16 divisors (see below), whose sum is σ = 3476556480. Its totient is φ = 1042966800.

The previous prime is 1955562881. The next prime is 1955562893. The reversal of 1955562885 is 5882655591.

1955562885 is a `hidden beast` number, since 1 + 9 + 5 + 5 + 5 + 628 + 8 + 5 = 666.

It is not a de Polignac number, because 1955562885 - 2² = 1955562881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955562881) 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, 7242691 + ... + 7242960.

It is an arithmetic number, because the mean of its divisors is an integer number (217284780).

Almost surely, 2^1955562885 is an apocalyptic number.

1955562885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1955562885 is a deficient number, since it is larger than the sum of its proper divisors (1520993595).

1955562885 is a wasteful number, since it uses less digits than its factorization.

1955562885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485665 (or 14485659 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 54.

The square root of 1955562885 is about 44221.7467429770. The cubic root of 1955562885 is about 1250.5198658949.

The spelling of 1955562885 in words is "one billion, nine hundred fifty-five million, five hundred sixty-two thousand, eight hundred eighty-five".