55037649 has 8 divisors (see below), whose sum is σ = 73595200. Its totient is φ = 36585936.

The previous prime is 55037639. The next prime is 55037657. The reversal of 55037649 is 94673055.

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

It is not a de Polignac number, because 55037649 - 2⁸ = 55037393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55037639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25237 + ... + 27330.

It is an arithmetic number, because the mean of its divisors is an integer number (9199400).

Almost surely, 2^55037649 is an apocalyptic number.

It is an amenable number.

55037649 is a deficient number, since it is larger than the sum of its proper divisors (18557551).

55037649 is a wasteful number, since it uses less digits than its factorization.

55037649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52919.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 55037649 is about 7418.7363479234. The cubic root of 55037649 is about 380.3820004398.

The spelling of 55037649 in words is "fifty-five million, thirty-seven thousand, six hundred forty-nine".