5551294389 has 16 divisors (see below), whose sum is σ = 7505212800. Its totient is φ = 3649478400.

The previous prime is 5551294379. The next prime is 5551294439. The reversal of 5551294389 is 9834921555.

It is a happy number.

It is not a de Polignac number, because 5551294389 - 2⁴ = 5551294373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551294349) 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, 17337 + ... + 106785.

It is an arithmetic number, because the mean of its divisors is an integer number (469075800).

Almost surely, 2^5551294389 is an apocalyptic number.

It is an amenable number.

5551294389 is a deficient number, since it is larger than the sum of its proper divisors (1953918411).

5551294389 is a wasteful number, since it uses less digits than its factorization.

5551294389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89740.

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

The square root of 5551294389 is about 74507.0089924431. The cubic root of 5551294389 is about 1770.6446829679.

The spelling of 5551294389 in words is "five billion, five hundred fifty-one million, two hundred ninety-four thousand, three hundred eighty-nine".