5272643554 has 8 divisors (see below), whose sum is σ = 7997830380. Its totient is φ = 2606700096.

The previous prime is 5272643543. The next prime is 5272643557. The reversal of 5272643554 is 4553462725.

It can be written as a sum of positive squares in 2 ways, for example, as 4135133025 + 1137510529 = 64305^2 + 33727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5272643554.

It is not an unprimeable number, because it can be changed into a prime (5272643557) 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, 14810619 + ... + 14810974.

Almost surely, 2^5272643554 is an apocalyptic number.

5272643554 is a deficient number, since it is larger than the sum of its proper divisors (2725186826).

5272643554 is a wasteful number, since it uses less digits than its factorization.

5272643554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29621684.

The product of its digits is 1008000, while the sum is 43.

The square root of 5272643554 is about 72612.9709762657. The cubic root of 5272643554 is about 1740.5084560218.

The spelling of 5272643554 in words is "five billion, two hundred seventy-two million, six hundred forty-three thousand, five hundred fifty-four".