55148427 has 6 divisors (see below), whose sum is σ = 79658852. Its totient is φ = 36765612.

The previous prime is 55148413. The next prime is 55148447. The reversal of 55148427 is 72484155.

55148427 is a `hidden beast` number, since 551 + 4 + 84 + 27 = 666.

It is not a de Polignac number, because 55148427 - 2⁷ = 55148299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55148391 and 55148400.

It is not an unprimeable number, because it can be changed into a prime (55148447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3063793 + ... + 3063810.

Almost surely, 2^55148427 is an apocalyptic number.

55148427 is a deficient number, since it is larger than the sum of its proper divisors (24510425).

55148427 is a wasteful number, since it uses less digits than its factorization.

55148427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127609 (or 6127606 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 55148427 is about 7426.1986911205. The cubic root of 55148427 is about 380.6370362700.

The spelling of 55148427 in words is "fifty-five million, one hundred forty-eight thousand, four hundred twenty-seven".