5551554522531 has 4 divisors (see below), whose sum is σ = 7402072696712. Its totient is φ = 3701036348352.

The previous prime is 5551554522467. The next prime is 5551554522571. The reversal of 5551554522531 is 1352254551555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5551554522531 - 2⁶ = 5551554522467 is a prime.

It is a super-2 number, since 2×5551554522531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551554522571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925259087086 + ... + 925259087091.

It is an arithmetic number, because the mean of its divisors is an integer number (1850518174178).

Almost surely, 2^{5551554522531} is an apocalyptic number.

5551554522531 is a deficient number, since it is larger than the sum of its proper divisors (1850518174181).

5551554522531 is a wasteful number, since it uses less digits than its factorization.

5551554522531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850518174180.

The product of its digits is 3750000, while the sum is 48.

The spelling of 5551554522531 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-four million, five hundred twenty-two thousand, five hundred thirty-one".