5220634551 has 32 divisors (see below), whose sum is σ = 7708732416. Its totient is φ = 3116400000.

The previous prime is 5220634519. The next prime is 5220634597. The reversal of 5220634551 is 1554360225.

It is not a de Polignac number, because 5220634551 - 2⁵ = 5220634519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220634511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652626 + ... + 660576.

It is an arithmetic number, because the mean of its divisors is an integer number (240897888).

Almost surely, 2^5220634551 is an apocalyptic number.

5220634551 is a deficient number, since it is larger than the sum of its proper divisors (2488097865).

5220634551 is a wasteful number, since it uses less digits than its factorization.

5220634551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 5220634551 is about 72253.9587219967. The cubic root of 5220634551 is about 1734.7667829826.

Adding to 5220634551 its reverse (1554360225), we get a palindrome (6774994776).

The spelling of 5220634551 in words is "five billion, two hundred twenty million, six hundred thirty-four thousand, five hundred fifty-one".