5211122553 has 64 divisors (see below), whose sum is σ = 9520268800. Its totient is φ = 2743372800.

The previous prime is 5211122507. The next prime is 5211122563. The reversal of 5211122553 is 3552211125.

5211122553 is a `hidden beast` number, since 521 + 112 + 25 + 5 + 3 = 666.

It is not a de Polignac number, because 5211122553 - 2¹⁶ = 5211057017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5211122503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1474893 + ... + 1478421.

It is an arithmetic number, because the mean of its divisors is an integer number (148754200).

Almost surely, 2^5211122553 is an apocalyptic number.

It is an amenable number.

5211122553 is a deficient number, since it is larger than the sum of its proper divisors (4309146247).

5211122553 is a wasteful number, since it uses less digits than its factorization.

5211122553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4153 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5211122553 is about 72188.1053429164. The cubic root of 5211122553 is about 1733.7125605611.

Adding to 5211122553 its reverse (3552211125), we get a palindrome (8763333678).

The spelling of 5211122553 in words is "five billion, two hundred eleven million, one hundred twenty-two thousand, five hundred fifty-three".