55150776 has 24 divisors (see below), whose sum is σ = 149366880. Its totient is φ = 18383568.

The previous prime is 55150763. The next prime is 55150807. The reversal of 55150776 is 67705155.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55150776.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 382920 + ... + 383063.

It is an arithmetic number, because the mean of its divisors is an integer number (6223620).

Almost surely, 2^55150776 is an apocalyptic number.

It is an amenable number.

55150776 is an abundant number, since it is smaller than the sum of its proper divisors (94216104).

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

55150776 is a wasteful number, since it uses less digits than its factorization.

55150776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765995 (or 765988 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55150776 is about 7426.3568457219. The cubic root of 55150776 is about 380.6424404960.

The spelling of 55150776 in words is "fifty-five million, one hundred fifty thousand, seven hundred seventy-six".