55711428393 has 16 divisors (see below), whose sum is σ = 74617860096. Its totient is φ = 36973234320.

The previous prime is 55711428371. The next prime is 55711428403. The reversal of 55711428393 is 39382411755.

It is not a de Polignac number, because 55711428393 - 2⁶ = 55711428329 is a prime.

It is a super-3 number, since 3×55711428393³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55711428193) 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, 843496 + ... + 907142.

It is an arithmetic number, because the mean of its divisors is an integer number (4663616256).

Almost surely, 2^55711428393 is an apocalyptic number.

It is an amenable number.

55711428393 is a deficient number, since it is larger than the sum of its proper divisors (18906431703).

55711428393 is a wasteful number, since it uses less digits than its factorization.

55711428393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64964.

The product of its digits is 907200, while the sum is 48.

The spelling of 55711428393 in words is "fifty-five billion, seven hundred eleven million, four hundred twenty-eight thousand, three hundred ninety-three".