49999392 has 72 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 16523136.

The previous prime is 49999387. The next prime is 49999403. The reversal of 49999392 is 29399994.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35893 + ... + 37259.

It is an arithmetic number, because the mean of its divisors is an integer number (1991808).

Almost surely, 2^49999392 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 49999392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71705088).

49999392 is an abundant number, since it is smaller than the sum of its proper divisors (93410784).

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

49999392 is a wasteful number, since it uses less digits than its factorization.

49999392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1499 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 49999392 is about 7071.0248196425. The cubic root of 49999392 is about 368.4016565972.

The spelling of 49999392 in words is "forty-nine million, nine hundred ninety-nine thousand, three hundred ninety-two".