4999550 has 12 divisors (see below), whose sum is σ = 9299256. Its totient is φ = 1999800.

The previous prime is 4999537. The next prime is 4999559. The reversal of 4999550 is 559994.

It is a junction number, because it is equal to n+sod(n) for n = 4999498 and 4999507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49946 + ... + 50045.

It is an arithmetic number, because the mean of its divisors is an integer number (774938).

Almost surely, 2^4999550 is an apocalyptic number.

4999550 is a deficient number, since it is larger than the sum of its proper divisors (4299706).

4999550 is a wasteful number, since it uses less digits than its factorization.

4999550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100003 (or 99998 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 4999550 is about 2235.9673521767. The cubic root of 4999550 is about 170.9924645859.

It can be divided in two parts, 49 and 99550, that added together give a palindrome (99599).

The spelling of 4999550 in words is "four million, nine hundred ninety-nine thousand, five hundred fifty".