55477456 has 10 divisors (see below), whose sum is σ = 107487602. Its totient is φ = 27738720.

The previous prime is 55477453. The next prime is 55477459. The reversal of 55477456 is 65477455.

It is an interprime number because it is at equal distance from previous prime (55477453) and next prime (55477459).

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 4840000 = 7116^2 + 2200^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55477453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733655 + ... + 1733686.

Almost surely, 2^55477456 is an apocalyptic number.

It is an amenable number.

55477456 is a deficient number, since it is larger than the sum of its proper divisors (52010146).

55477456 is a wasteful number, since it uses less digits than its factorization.

55477456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467349 (or 3467343 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 55477456 is about 7448.3190049836. The cubic root of 55477456 is about 381.3925269850.

Subtracting 55477456 from its reverse (65477455), we obtain a palindrome (9999999).

The spelling of 55477456 in words is "fifty-five million, four hundred seventy-seven thousand, four hundred fifty-six".