50491392 has 104 divisors (see below), whose sum is σ = 154121856. Its totient is φ = 14401536.

The previous prime is 50491387. The next prime is 50491393. The reversal of 50491392 is 29319405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50491393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85723 + ... + 86309.

Almost surely, 2^50491392 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 50491392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77060928).

50491392 is an abundant number, since it is smaller than the sum of its proper divisors (103630464).

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

50491392 is an equidigital number, since it uses as much as digits as its factorization.

50491392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 50491392 is about 7105.7295191979. The cubic root of 50491392 is about 369.6060867422.

It can be divided in two parts, 5049 and 1392, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 50491392 in words is "fifty million, four hundred ninety-one thousand, three hundred ninety-two".