55814949 has 12 divisors (see below), whose sum is σ = 81118336. Its totient is φ = 36980712.

The previous prime is 55814933. The next prime is 55814959. The reversal of 55814949 is 94941855.

55814949 is a `hidden beast` number, since 558 + 1 + 4 + 94 + 9 = 666.

It is not a de Polignac number, because 55814949 - 2⁴ = 55814933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55814909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17557 + ... + 20490.

Almost surely, 2^55814949 is an apocalyptic number.

It is an amenable number.

55814949 is a deficient number, since it is larger than the sum of its proper divisors (25303387).

55814949 is a wasteful number, since it uses less digits than its factorization.

55814949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38216 (or 38213 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 55814949 is about 7470.9403022645. The cubic root of 55814949 is about 382.1643550504.

The spelling of 55814949 in words is "fifty-five million, eight hundred fourteen thousand, nine hundred forty-nine".