5165404550 has 24 divisors (see below), whose sum is σ = 9609597000. Its totient is φ = 2065743680.

The previous prime is 5165404547. The next prime is 5165404553. The reversal of 5165404550 is 554045615.

It is an interprime number because it is at equal distance from previous prime (5165404547) and next prime (5165404553).

It is a self number, because there is not a number n which added to its sum of digits gives 5165404550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165404553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394001 + ... + 406899.

It is an arithmetic number, because the mean of its divisors is an integer number (400399875).

Almost surely, 2^5165404550 is an apocalyptic number.

5165404550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5165404550 is a deficient number, since it is larger than the sum of its proper divisors (4444192450).

5165404550 is a wasteful number, since it uses less digits than its factorization.

5165404550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920 (or 20915 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 5165404550 is about 71870.7489177621. The cubic root of 5165404550 is about 1728.6276161967.

The spelling of 5165404550 in words is "five billion, one hundred sixty-five million, four hundred four thousand, five hundred fifty".