55236767 has 4 divisors (see below), whose sum is σ = 55287336. Its totient is φ = 55186200.

The previous prime is 55236763. The next prime is 55236809. The reversal of 55236767 is 76763255.

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 55236767 - 2² = 55236763 is a prime.

It is a super-2 number, since 2×55236767² = 6102200857224578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55236763) 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, 23609 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (13821834).

Almost surely, 2^55236767 is an apocalyptic number.

55236767 is a deficient number, since it is larger than the sum of its proper divisors (50569).

55236767 is a wasteful number, since it uses less digits than its factorization.

55236767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50568.

The product of its digits is 264600, while the sum is 41.

The square root of 55236767 is about 7432.1441724445. The cubic root of 55236767 is about 380.8401701225.

The spelling of 55236767 in words is "fifty-five million, two hundred thirty-six thousand, seven hundred sixty-seven".