55774207 has 8 divisors (see below), whose sum is σ = 57704976. Its totient is φ = 53865792.

The previous prime is 55774193. The next prime is 55774219. The reversal of 55774207 is 70247755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55774207 - 2¹¹ = 55772159 is a prime.

It is a super-2 number, since 2×55774207² = 6221524332957698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55774247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 10570.

It is an arithmetic number, because the mean of its divisors is an integer number (7213122).

Almost surely, 2^55774207 is an apocalyptic number.

55774207 is a deficient number, since it is larger than the sum of its proper divisors (1930769).

55774207 is a wasteful number, since it uses less digits than its factorization.

55774207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 55774207 is about 7468.2131062256. The cubic root of 55774207 is about 382.0713457376.

The spelling of 55774207 in words is "fifty-five million, seven hundred seventy-four thousand, two hundred seven".