49128425 has 12 divisors (see below), whose sum is σ = 61513920. Its totient is φ = 38919120.

The previous prime is 49128421. The next prime is 49128427. The reversal of 49128425 is 52482194.

It is not a de Polignac number, because 49128425 - 2² = 49128421 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49128421) 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, 6965 + ... + 12114.

It is an arithmetic number, because the mean of its divisors is an integer number (5126160).

Almost surely, 2^49128425 is an apocalyptic number.

It is an amenable number.

49128425 is a deficient number, since it is larger than the sum of its proper divisors (12385495).

49128425 is a wasteful number, since it uses less digits than its factorization.

49128425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192 (or 19187 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 49128425 is about 7009.1672115880. The cubic root of 49128425 is about 366.2499834982.

The spelling of 49128425 in words is "forty-nine million, one hundred twenty-eight thousand, four hundred twenty-five".