55094549 has 4 divisors (see below), whose sum is σ = 55215564. Its totient is φ = 54973536.

The previous prime is 55094537. The next prime is 55094561. The reversal of 55094549 is 94549055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94549055 = 5 ⋅18909811.

It is an interprime number because it is at equal distance from previous prime (55094537) and next prime (55094561).

It can be written as a sum of positive squares in 2 ways, for example, as 51122500 + 3972049 = 7150^2 + 1993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55094549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55094579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59822 + ... + 60735.

It is an arithmetic number, because the mean of its divisors is an integer number (13803891).

Almost surely, 2^55094549 is an apocalyptic number.

It is an amenable number.

55094549 is a deficient number, since it is larger than the sum of its proper divisors (121015).

55094549 is a wasteful number, since it uses less digits than its factorization.

55094549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121014.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 55094549 is about 7422.5702421735. The cubic root of 55094549 is about 380.5130397180.

The spelling of 55094549 in words is "fifty-five million, ninety-four thousand, five hundred forty-nine".