55764386 has 16 divisors (see below), whose sum is σ = 88746840. Its totient is φ = 26188800.

The previous prime is 55764383. The next prime is 55764389. The reversal of 55764386 is 68346755.

55764386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55764383) and next prime (55764389).

It can be written as a sum of positive squares in 4 ways, for example, as 52635025 + 3129361 = 7255^2 + 1769^2 .

It is a super-3 number, since 3×55764386³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55764383) 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, 19070 + ... + 21798.

Almost surely, 2^55764386 is an apocalyptic number.

55764386 is a deficient number, since it is larger than the sum of its proper divisors (32982454).

55764386 is a wasteful number, since it uses less digits than its factorization.

55764386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its digits is 604800, while the sum is 44.

The square root of 55764386 is about 7467.5555572088. Note that the first 5 decimals coincide. The cubic root of 55764386 is about 382.0489187464.

The spelling of 55764386 in words is "fifty-five million, seven hundred sixty-four thousand, three hundred eighty-six".