49697250 has 128 divisors (see below), whose sum is σ = 134424576. Its totient is φ = 12196800.

The previous prime is 49697243. The next prime is 49697257. The reversal of 49697250 is 5279694.

It is an interprime number because it is at equal distance from previous prime (49697243) and next prime (49697257).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49697257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 741717 + ... + 741783.

It is an arithmetic number, because the mean of its divisors is an integer number (1050192).

Almost surely, 2^49697250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49697250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67212288).

49697250 is an abundant number, since it is smaller than the sum of its proper divisors (84727326).

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

49697250 is a wasteful number, since it uses less digits than its factorization.

49697250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 49697250 is about 7049.6276497415. The cubic root of 49697250 is about 367.6580836851.

The spelling of 49697250 in words is "forty-nine million, six hundred ninety-seven thousand, two hundred fifty".