49870512 has 80 divisors (see below), whose sum is σ = 145367680. Its totient is φ = 16365888.

The previous prime is 49870511. The next prime is 49870523. The reversal of 49870512 is 21507894.

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

It is not an unprimeable number, because it can be changed into a prime (49870511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28083 + ... + 29805.

It is an arithmetic number, because the mean of its divisors is an integer number (1817096).

Almost surely, 2^49870512 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 49870512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72683840).

49870512 is an abundant number, since it is smaller than the sum of its proper divisors (95497168).

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

49870512 is a wasteful number, since it uses less digits than its factorization.

49870512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49870512 is about 7061.9056918087. The cubic root of 49870512 is about 368.0848496849.

The spelling of 49870512 in words is "forty-nine million, eight hundred seventy thousand, five hundred twelve".