49906512 has 120 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 15874560.

The previous prime is 49906501. The next prime is 49906517. The reversal of 49906512 is 21560994.

It is a super-2 number, since 2×49906512² = 4981319880012288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49906517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466363 + ... + 466469.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^49906512 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 49906512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

49906512 is an abundant number, since it is smaller than the sum of its proper divisors (96334128).

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

49906512 is a wasteful number, since it uses less digits than its factorization.

49906512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 49906512 is about 7064.4541190385. The cubic root of 49906512 is about 368.1733981198.

The spelling of 49906512 in words is "forty-nine million, nine hundred six thousand, five hundred twelve".