55254149 has 4 divisors (see below), whose sum is σ = 56190720. Its totient is φ = 54317580.

The previous prime is 55254139. The next prime is 55254151. The reversal of 55254149 is 94145255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94145255 = 5 ⋅18829051.

It is a cyclic number.

It is not a de Polignac number, because 55254149 - 2¹² = 55250053 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 (55254139) 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, 468197 + ... + 468314.

It is an arithmetic number, because the mean of its divisors is an integer number (14047680).

Almost surely, 2^55254149 is an apocalyptic number.

55254149 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

55254149 is a deficient number, since it is larger than the sum of its proper divisors (936571).

55254149 is an equidigital number, since it uses as much as digits as its factorization.

55254149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936570.

The product of its digits is 36000, while the sum is 35.

The square root of 55254149 is about 7433.3134603621. The cubic root of 55254149 is about 380.8801137443.

The spelling of 55254149 in words is "fifty-five million, two hundred fifty-four thousand, one hundred forty-nine".