55774655 has 16 divisors (see below), whose sum is σ = 71470080. Its totient is φ = 41683488.

The previous prime is 55774643. The next prime is 55774657. The reversal of 55774655 is 55647755.

It is a cyclic number.

It is not a de Polignac number, because 55774655 - 2⁶ = 55774591 is a prime.

It is a super-2 number, since 2×55774655² = 6221624280738050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55774657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695 + ... + 10584.

It is an arithmetic number, because the mean of its divisors is an integer number (4466880).

Almost surely, 2^55774655 is an apocalyptic number.

55774655 is a deficient number, since it is larger than the sum of its proper divisors (15695425).

55774655 is a wasteful number, since it uses less digits than its factorization.

55774655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350.

The product of its digits is 735000, while the sum is 44.

The square root of 55774655 is about 7468.2430999533. The cubic root of 55774655 is about 382.0723687165.

The spelling of 55774655 in words is "fifty-five million, seven hundred seventy-four thousand, six hundred fifty-five".