55797313011 has 32 divisors (see below), whose sum is σ = 86244300288. Its totient is φ = 31712355840.

The previous prime is 55797312959. The next prime is 55797313021. The reversal of 55797313011 is 11031379755.

It is not a de Polignac number, because 55797313011 - 2¹⁰ = 55797311987 is a prime.

It is a super-2 number, since 2×55797313011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55797313021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24135 + ... + 334928.

It is an arithmetic number, because the mean of its divisors is an integer number (2695134384).

Almost surely, 2^55797313011 is an apocalyptic number.

55797313011 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55797313011 is a deficient number, since it is larger than the sum of its proper divisors (30446987277).

55797313011 is a wasteful number, since it uses less digits than its factorization.

55797313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359371.

The product of its (nonzero) digits is 99225, while the sum is 42.

The spelling of 55797313011 in words is "fifty-five billion, seven hundred ninety-seven million, three hundred thirteen thousand, eleven".