55802065539 has 32 divisors (see below), whose sum is σ = 83145242880. Its totient is φ = 33003392000.

The previous prime is 55802065519. The next prime is 55802065547. The reversal of 55802065539 is 93556020855.

It is a cyclic number.

It is not a de Polignac number, because 55802065539 - 2⁵ = 55802065507 is a prime.

It is a super-2 number, since 2×55802065539² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55802065519) 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, 162139 + ... + 371339.

It is an arithmetic number, because the mean of its divisors is an integer number (2598288840).

Almost surely, 2^55802065539 is an apocalyptic number.

55802065539 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

55802065539 is a deficient number, since it is larger than the sum of its proper divisors (27343177341).

55802065539 is a wasteful number, since it uses less digits than its factorization.

55802065539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209411.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 55802065539 in words is "fifty-five billion, eight hundred two million, sixty-five thousand, five hundred thirty-nine".