5215503551 has 8 divisors (see below), whose sum is σ = 5227806000. Its totient is φ = 5203215360.

The previous prime is 5215503547. The next prime is 5215503563. The reversal of 5215503551 is 1553055125.

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

It is a cyclic number.

It is not a de Polignac number, because 5215503551 - 2² = 5215503547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215533551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086665 + ... + 1091453.

It is an arithmetic number, because the mean of its divisors is an integer number (653475750).

Almost surely, 2^5215503551 is an apocalyptic number.

5215503551 is a deficient number, since it is larger than the sum of its proper divisors (12302449).

5215503551 is a wasteful number, since it uses less digits than its factorization.

5215503551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 5215503551 is about 72218.4432884011. The cubic root of 5215503551 is about 1734.1982693306.

Adding to 5215503551 its reverse (1553055125), we get a palindrome (6768558676).

The spelling of 5215503551 in words is "five billion, two hundred fifteen million, five hundred three thousand, five hundred fifty-one".