55806736 has 10 divisors (see below), whose sum is σ = 108125582. Its totient is φ = 27903360.

The previous prime is 55806703. The next prime is 55806811. The reversal of 55806736 is 63760855.

It can be written as a sum of positive squares in only one way, i.e., 28558336 + 27248400 = 5344^2 + 5220^2 .

It is a super-2 number, since 2×55806736² = 6228783565947392, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1743945 + ... + 1743976.

Almost surely, 2^55806736 is an apocalyptic number.

It is an amenable number.

55806736 is a deficient number, since it is larger than the sum of its proper divisors (52318846).

55806736 is a wasteful number, since it uses less digits than its factorization.

55806736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487929 (or 3487923 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 55806736 is about 7470.3906189703. The cubic root of 55806736 is about 382.1456093568.

The spelling of 55806736 in words is "fifty-five million, eight hundred six thousand, seven hundred thirty-six".