55765376 has 64 divisors (see below), whose sum is σ = 116953200. Its totient is φ = 26449920.

The previous prime is 55765343. The next prime is 55765403. The reversal of 55765376 is 67356755.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 308006 + ... + 308186.

Almost surely, 2^55765376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55765376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58476600).

55765376 is an abundant number, since it is smaller than the sum of its proper divisors (61187824).

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

55765376 is a wasteful number, since it uses less digits than its factorization.

55765376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 295 counting only the distinct ones).

The product of its digits is 661500, while the sum is 44.

The square root of 55765376 is about 7467.6218436662. The cubic root of 55765376 is about 382.0511796051.

The spelling of 55765376 in words is "fifty-five million, seven hundred sixty-five thousand, three hundred seventy-six".