5551291120 has 40 divisors (see below), whose sum is σ = 13125521520. Its totient is φ = 2182878720.

The previous prime is 5551291069. The next prime is 5551291127. The reversal of 5551291120 is 211921555.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551291127) 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, 583341 + ... + 592780.

It is an arithmetic number, because the mean of its divisors is an integer number (328138038).

Almost surely, 2^5551291120 is an apocalyptic number.

It is an amenable number.

5551291120 is an abundant number, since it is smaller than the sum of its proper divisors (7574230400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5551291120 is a wasteful number, since it uses less digits than its factorization.

5551291120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176193 (or 1176187 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 5551291120 is about 74506.9870549065. The cubic root of 5551291120 is about 1770.6443354070.

The spelling of 5551291120 in words is "five billion, five hundred fifty-one million, two hundred ninety-one thousand, one hundred twenty".