5515624742 has 4 divisors (see below), whose sum is σ = 8273437116. Its totient is φ = 2757812370.

The previous prime is 5515624727. The next prime is 5515624769. The reversal of 5515624742 is 2474265155.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5515624742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378906184 + ... + 1378906187.

It is an arithmetic number, because the mean of its divisors is an integer number (2068359279).

Almost surely, 2^5515624742 is an apocalyptic number.

5515624742 is a deficient number, since it is larger than the sum of its proper divisors (2757812374).

5515624742 is a wasteful number, since it uses less digits than its factorization.

5515624742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757812373.

The product of its digits is 336000, while the sum is 41.

The square root of 5515624742 is about 74267.2521505946. The cubic root of 5515624742 is about 1766.8441261317.

Adding to 5515624742 its reverse (2474265155), we get a palindrome (7989889897).

The spelling of 5515624742 in words is "five billion, five hundred fifteen million, six hundred twenty-four thousand, seven hundred forty-two".