5451281572 has 24 divisors (see below), whose sum is σ = 10436503392. Its totient is φ = 2470828800.

The previous prime is 5451281533. The next prime is 5451281581. The reversal of 5451281572 is 2751821545.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159954 + ... + 191017.

It is an arithmetic number, because the mean of its divisors is an integer number (434854308).

Almost surely, 2^5451281572 is an apocalyptic number.

It is an amenable number.

5451281572 is a deficient number, since it is larger than the sum of its proper divisors (4985221820).

5451281572 is a wasteful number, since it uses less digits than its factorization.

5451281572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351339 (or 351337 counting only the distinct ones).

The product of its digits is 112000, while the sum is 40.

The square root of 5451281572 is about 73832.7946917899. The cubic root of 5451281572 is about 1759.9467928991.

The spelling of 5451281572 in words is "five billion, four hundred fifty-one million, two hundred eighty-one thousand, five hundred seventy-two".