49539000 has 192 divisors, whose sum is σ = 180329760. Its totient is φ = 11289600.

The previous prime is 49538981. The next prime is 49539001. The reversal of 49539000 is 93594.

It is a super-2 number, since 2×49539000² = 4908225042000000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49539001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146832 + ... + 147168.

Almost surely, 2^49539000 is an apocalyptic number.

49539000 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 49539000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90164880).

49539000 is an abundant number, since it is smaller than the sum of its proper divisors (130790760).

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

49539000 is a wasteful number, since it uses less digits than its factorization.

49539000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 49539000 is about 7038.3947033397. The cubic root of 49539000 is about 367.2674265424.

The spelling of 49539000 in words is "forty-nine million, five hundred thirty-nine thousand".