55435692499 has 12 divisors (see below), whose sum is σ = 61307293768. Its totient is φ = 50086887840.

The previous prime is 55435692497. The next prime is 55435692511. The reversal of 55435692499 is 99429653455.

55435692499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55435692499 - 2¹ = 55435692497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55435692497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1385634 + ... + 1425079.

Almost surely, 2^55435692499 is an apocalyptic number.

55435692499 is a deficient number, since it is larger than the sum of its proper divisors (5871601269).

55435692499 is a wasteful number, since it uses less digits than its factorization.

55435692499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810898 (or 2810887 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 61.

The spelling of 55435692499 in words is "fifty-five billion, four hundred thirty-five million, six hundred ninety-two thousand, four hundred ninety-nine".