55940751969 has 16 divisors (see below), whose sum is σ = 74961089280. Its totient is φ = 37107486720.

The previous prime is 55940751941. The next prime is 55940752019. The reversal of 55940751969 is 96915704955.

It is not a de Polignac number, because 55940751969 - 2¹² = 55940747873 is a prime.

It is a super-2 number, since 2×55940751969² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55940751469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580459 + ... + 669935.

It is an arithmetic number, because the mean of its divisors is an integer number (4685068080).

Almost surely, 2^55940751969 is an apocalyptic number.

It is an amenable number.

55940751969 is a deficient number, since it is larger than the sum of its proper divisors (19020337311).

55940751969 is a wasteful number, since it uses less digits than its factorization.

55940751969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90520.

The product of its (nonzero) digits is 15309000, while the sum is 60.

The spelling of 55940751969 in words is "fifty-five billion, nine hundred forty million, seven hundred fifty-one thousand, nine hundred sixty-nine".