5115550407 has 32 divisors (see below), whose sum is σ = 7609282560. Its totient is φ = 3030568320.

The previous prime is 5115550399. The next prime is 5115550441. The reversal of 5115550407 is 7040555115.

It is a happy number.

It is not a de Polignac number, because 5115550407 - 2³ = 5115550399 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 (5115550457) 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, 479194 + ... + 489752.

It is an arithmetic number, because the mean of its divisors is an integer number (237790080).

Almost surely, 2^5115550407 is an apocalyptic number.

5115550407 is a deficient number, since it is larger than the sum of its proper divisors (2493732153).

5115550407 is a wasteful number, since it uses less digits than its factorization.

5115550407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903.

The product of its (nonzero) digits is 17500, while the sum is 33.

The square root of 5115550407 is about 71523.0760454275. The cubic root of 5115550407 is about 1723.0483178640.

The spelling of 5115550407 in words is "five billion, one hundred fifteen million, five hundred fifty thousand, four hundred seven".