5551429389 has 8 divisors (see below), whose sum is σ = 8074806432. Its totient is φ = 3364502640.

The previous prime is 5551429381. The next prime is 5551429423. The reversal of 5551429389 is 9839241555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5551429389 - 2³ = 5551429381 is a prime.

It is a super-2 number, since 2×5551429389² = 61636736522105826642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551429381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84112534 + ... + 84112599.

It is an arithmetic number, because the mean of its divisors is an integer number (1009350804).

Almost surely, 2^5551429389 is an apocalyptic number.

It is an amenable number.

5551429389 is a deficient number, since it is larger than the sum of its proper divisors (2523377043).

5551429389 is a wasteful number, since it uses less digits than its factorization.

5551429389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168225147.

The product of its digits is 1944000, while the sum is 51.

The square root of 5551429389 is about 74507.9149419711. The cubic root of 5551429389 is about 1770.6590360826.

The spelling of 5551429389 in words is "five billion, five hundred fifty-one million, four hundred twenty-nine thousand, three hundred eighty-nine".