55694791 has 4 divisors (see below), whose sum is σ = 55714000. Its totient is φ = 55675584.

The previous prime is 55694789. The next prime is 55694801. The reversal of 55694791 is 19749655.

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 55694791 - 2¹ = 55694789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55694701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4266 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (13928500).

Almost surely, 2^55694791 is an apocalyptic number.

55694791 is a deficient number, since it is larger than the sum of its proper divisors (19209).

55694791 is a wasteful number, since it uses less digits than its factorization.

55694791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19208.

The product of its digits is 340200, while the sum is 46.

The square root of 55694791 is about 7462.8942776915. The cubic root of 55694791 is about 381.8899178431.

The spelling of 55694791 in words is "fifty-five million, six hundred ninety-four thousand, seven hundred ninety-one".