49169925 has 36 divisors (see below), whose sum is σ = 100653280. Its totient is φ = 22476960.

The previous prime is 49169903. The next prime is 49169927. The reversal of 49169925 is 52996194.

It is not a de Polignac number, because 49169925 - 2⁸ = 49169669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49169927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14035 + ... + 17184.

Almost surely, 2^49169925 is an apocalyptic number.

49169925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49169925 is an abundant number, since it is smaller than the sum of its proper divisors (51483355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49169925 is a wasteful number, since it uses less digits than its factorization.

49169925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31242 (or 31234 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 49169925 is about 7012.1269954273. The cubic root of 49169925 is about 366.3530812911.

It can be divided in two parts, 4916 and 9925, that added together give a palindrome (14841).

The spelling of 49169925 in words is "forty-nine million, one hundred sixty-nine thousand, nine hundred twenty-five".