55365477 has 4 divisors (see below), whose sum is σ = 73820640. Its totient is φ = 36910316.

The previous prime is 55365469. The next prime is 55365503. The reversal of 55365477 is 77456355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55365477 - 2³ = 55365469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55365977) 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, 9227577 + ... + 9227582.

It is an arithmetic number, because the mean of its divisors is an integer number (18455160).

Almost surely, 2^55365477 is an apocalyptic number.

It is an amenable number.

55365477 is a deficient number, since it is larger than the sum of its proper divisors (18455163).

55365477 is a wasteful number, since it uses less digits than its factorization.

55365477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18455162.

The product of its digits is 441000, while the sum is 42.

The square root of 55365477 is about 7440.7981426726. The cubic root of 55365477 is about 381.1357456791.

The spelling of 55365477 in words is "fifty-five million, three hundred sixty-five thousand, four hundred seventy-seven".