5551148427 has 16 divisors (see below), whose sum is σ = 8246195712. Its totient is φ = 3292749920.

The previous prime is 5551148423. The next prime is 5551148461. The reversal of 5551148427 is 7248411555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5551148427 - 2² = 5551148423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5551148423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787988 + ... + 1791089.

It is an arithmetic number, because the mean of its divisors is an integer number (515387232).

Almost surely, 2^5551148427 is an apocalyptic number.

5551148427 is a deficient number, since it is larger than the sum of its proper divisors (2695047285).

5551148427 is a wasteful number, since it uses less digits than its factorization.

5551148427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579138.

The product of its digits is 224000, while the sum is 42.

The square root of 5551148427 is about 74506.0294674196. The cubic root of 5551148427 is about 1770.6291641185.

The spelling of 5551148427 in words is "five billion, five hundred fifty-one million, one hundred forty-eight thousand, four hundred twenty-seven".