55053649 has 8 divisors (see below), whose sum is σ = 63249408. Its totient is φ = 46940640.

The previous prime is 55053643. The next prime is 55053653. The reversal of 55053649 is 94635055.

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 55053649 - 2¹⁹ = 54529361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55053643) 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, 19252 + ... + 21925.

It is an arithmetic number, because the mean of its divisors is an integer number (7906176).

Almost surely, 2^55053649 is an apocalyptic number.

It is an amenable number.

55053649 is a deficient number, since it is larger than the sum of its proper divisors (8195759).

55053649 is a wasteful number, since it uses less digits than its factorization.

55053649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41375.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 55053649 is about 7419.8146203258. The cubic root of 55053649 is about 380.4188571639.

The spelling of 55053649 in words is "fifty-five million, fifty-three thousand, six hundred forty-nine".