49975000 has 48 divisors (see below), whose sum is σ = 117180000. Its totient is φ = 19980000.

The previous prime is 49974979. The next prime is 49975001. The reversal of 49975000 is 57994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49975001) 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, 24001 + ... + 25999.

It is an arithmetic number, because the mean of its divisors is an integer number (2441250).

Almost surely, 2^49975000 is an apocalyptic number.

49975000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49975000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58590000).

49975000 is an abundant number, since it is smaller than the sum of its proper divisors (67205000).

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

49975000 is an equidigital number, since it uses as much as digits as its factorization.

49975000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 49975000 is about 7069.2998238864. The cubic root of 49975000 is about 368.3417391028.

The spelling of 49975000 in words is "forty-nine million, nine hundred seventy-five thousand".