55077737 has 8 divisors (see below), whose sum is σ = 64706880. Its totient is φ = 46218960.

The previous prime is 55077733. The next prime is 55077767. The reversal of 55077737 is 73777055.

55077737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55077737 - 2² = 55077733 is a prime.

It is a super-2 number, since 2×55077737² = 6067114226082338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55077694 and 55077703.

It is not an unprimeable number, because it can be changed into a prime (55077733) 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, 192437 + ... + 192722.

It is an arithmetic number, because the mean of its divisors is an integer number (8088360).

Almost surely, 2^55077737 is an apocalyptic number.

It is an amenable number.

55077737 is a deficient number, since it is larger than the sum of its proper divisors (9629143).

55077737 is a wasteful number, since it uses less digits than its factorization.

55077737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385183.

The product of its (nonzero) digits is 180075, while the sum is 41.

The square root of 55077737 is about 7421.4376639570. The cubic root of 55077737 is about 380.4743314964.

It can be divided in two parts, 550 and 77737, that added together give a palindrome (78287).

The spelling of 55077737 in words is "fifty-five million, seventy-seven thousand, seven hundred thirty-seven".