5451665526 has 32 divisors (see below), whose sum is σ = 12313423200. Its totient is φ = 1787430240.

The previous prime is 5451665521. The next prime is 5451665641. The reversal of 5451665526 is 6255661545.

5451665526 is a `hidden beast` number, since 54 + 5 + 16 + 65 + 526 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451665521) 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, 824221 + ... + 830808.

It is an arithmetic number, because the mean of its divisors is an integer number (384794475).

Almost surely, 2^5451665526 is an apocalyptic number.

5451665526 is an abundant number, since it is smaller than the sum of its proper divisors (6861757674).

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

5451665526 is a wasteful number, since it uses less digits than its factorization.

5451665526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655101 (or 1655095 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 5451665526 is about 73835.3948049308. The cubic root of 5451665526 is about 1759.9881117913.

The spelling of 5451665526 in words is "five billion, four hundred fifty-one million, six hundred sixty-five thousand, five hundred twenty-six".