55311635 has 4 divisors (see below), whose sum is σ = 66373968. Its totient is φ = 44249304.

The previous prime is 55311629. The next prime is 55311653. The reversal of 55311635 is 53611355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55311635 - 2²² = 51117331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55311598 and 55311607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5531159 + ... + 5531168.

It is an arithmetic number, because the mean of its divisors is an integer number (16593492).

Almost surely, 2^55311635 is an apocalyptic number.

55311635 is a deficient number, since it is larger than the sum of its proper divisors (11062333).

55311635 is a wasteful number, since it uses less digits than its factorization.

55311635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062332.

The product of its digits is 6750, while the sum is 29.

The square root of 55311635 is about 7437.1792367806. The cubic root of 55311635 is about 381.0121562290.

The spelling of 55311635 in words is "fifty-five million, three hundred eleven thousand, six hundred thirty-five".