49899225 has 48 divisors (see below), whose sum is σ = 87980480. Its totient is φ = 24952320.

The previous prime is 49899217. The next prime is 49899229. The reversal of 49899225 is 52299894.

It is a happy number.

It is not a de Polignac number, because 49899225 - 2³ = 49899217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49899229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 514377 + ... + 514473.

Almost surely, 2^49899225 is an apocalyptic number.

It is an amenable number.

49899225 is a deficient number, since it is larger than the sum of its proper divisors (38081255).

49899225 is an equidigital number, since it uses as much as digits as its factorization.

49899225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 124 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 49899225 is about 7063.9383491081. The cubic root of 49899225 is about 368.1554778790.

The spelling of 49899225 in words is "forty-nine million, eight hundred ninety-nine thousand, two hundred twenty-five".