55477436 has 12 divisors (see below), whose sum is σ = 110954928. Its totient is φ = 23776032.

The previous prime is 55477423. The next prime is 55477441. The reversal of 55477436 is 63477455.

55477436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55477436 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55477393 and 55477402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990641 + ... + 990696.

It is an arithmetic number, because the mean of its divisors is an integer number (9246244).

Almost surely, 2^55477436 is an apocalyptic number.

It is an amenable number.

55477436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55477436 is a wasteful number, since it uses less digits than its factorization.

55477436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981348 (or 1981346 counting only the distinct ones).

The product of its digits is 352800, while the sum is 41.

The square root of 55477436 is about 7448.3176623987. The cubic root of 55477436 is about 381.3924811535.

The spelling of 55477436 in words is "fifty-five million, four hundred seventy-seven thousand, four hundred thirty-six".