55025786 has 12 divisors (see below), whose sum is σ = 87112602. Its totient is φ = 26064504.

The previous prime is 55025749. The next prime is 55025797. The reversal of 55025786 is 68752055.

55025786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 43970161 + 11055625 = 6631^2 + 3325^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

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 5 ways as a sum of consecutive naturals, for example, 37385 + ... + 38828.

Almost surely, 2^55025786 is an apocalyptic number.

55025786 is a deficient number, since it is larger than the sum of its proper divisors (32086816).

55025786 is a wasteful number, since it uses less digits than its factorization.

55025786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76253 (or 76234 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55025786 is about 7417.9367751417. The cubic root of 55025786 is about 380.3546688707.

It can be divided in two parts, 55025 and 786, that multiplied together give a triangular number (43249650 = T₉₃₀₀).

The spelling of 55025786 in words is "fifty-five million, twenty-five thousand, seven hundred eighty-six".