55887433011 has 24 divisors (see below), whose sum is σ = 81610435296. Its totient is φ = 36851114880.

The previous prime is 55887433001. The next prime is 55887433013. The reversal of 55887433011 is 11033478855.

It is a happy number.

55887433011 is a `hidden beast` number, since 558 + 87 + 4 + 3 + 3 + 0 + 11 = 666.

It is not a de Polignac number, because 55887433011 - 2⁹ = 55887432499 is a prime.

It is a super-2 number, since 2×55887433011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55887433013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724351 + ... + 797783.

It is an arithmetic number, because the mean of its divisors is an integer number (3400434804).

Almost surely, 2^55887433011 is an apocalyptic number.

55887433011 is a deficient number, since it is larger than the sum of its proper divisors (25723002285).

55887433011 is a wasteful number, since it uses less digits than its factorization.

55887433011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74363 (or 74360 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 55887433011 in words is "fifty-five billion, eight hundred eighty-seven million, four hundred thirty-three thousand, eleven".