55055776 has 24 divisors (see below), whose sum is σ = 110013120. Its totient is φ = 27115968.

The previous prime is 55055731. The next prime is 55055821. The reversal of 55055776 is 67755055.

It is an interprime number because it is at equal distance from previous prime (55055731) and next prime (55055821).

It is a super-2 number, since 2×55055776² = 6062276941924352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10696 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (4583880).

Almost surely, 2^55055776 is an apocalyptic number.

It is an amenable number.

55055776 is a deficient number, since it is larger than the sum of its proper divisors (54957344).

55055776 is a wasteful number, since it uses less digits than its factorization.

55055776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25756 (or 25748 counting only the distinct ones).

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 55055776 is about 7419.9579513633. The cubic root of 55055776 is about 380.4237562669.

The spelling of 55055776 in words is "fifty-five million, fifty-five thousand, seven hundred seventy-six".