49864500 has 144 divisors (see below), whose sum is σ = 179891712. Its totient is φ = 11390400.

The previous prime is 49864481. The next prime is 49864513. The reversal of 49864500 is 546894.

49864500 is a `hidden beast` number, since 4 + 9 + 8 + 645 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30709 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (1249248).

Almost surely, 2^49864500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49864500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89945856).

49864500 is an abundant number, since it is smaller than the sum of its proper divisors (130027212).

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

49864500 is a wasteful number, since it uses less digits than its factorization.

49864500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49864500 is about 7061.4800148411. The cubic root of 49864500 is about 368.0700579442.

The spelling of 49864500 in words is "forty-nine million, eight hundred sixty-four thousand, five hundred".