55446776 has 32 divisors (see below), whose sum is σ = 129617280. Its totient is φ = 21602400.

The previous prime is 55446761. The next prime is 55446779. The reversal of 55446776 is 67764455.

55446776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

55446776 is a modest number, since divided by 6776 gives 5544 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55446779) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44390 + ... + 45621.

It is an arithmetic number, because the mean of its divisors is an integer number (4050540).

Almost surely, 2^55446776 is an apocalyptic number.

55446776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55446776 is an abundant number, since it is smaller than the sum of its proper divisors (74170504).

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

55446776 is a wasteful number, since it uses less digits than its factorization.

55446776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90035 (or 90031 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The square root of 55446776 is about 7446.2591950590. The cubic root of 55446776 is about 381.3222084496.

The spelling of 55446776 in words is "fifty-five million, four hundred forty-six thousand, seven hundred seventy-six".