50138496 has 96 divisors (see below), whose sum is σ = 146549520. Its totient is φ = 16450560.

The previous prime is 50138479. The next prime is 50138497. The reversal of 50138496 is 69483105.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×50138496² = 5027737562284032, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50138496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81486 + ... + 82098.

Almost surely, 2^50138496 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 50138496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73274760).

50138496 is an abundant number, since it is smaller than the sum of its proper divisors (96411024).

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

50138496 is a wasteful number, since it uses less digits than its factorization.

50138496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 50138496 is about 7080.8541857604. The cubic root of 50138496 is about 368.7429853688.

The spelling of 50138496 in words is "fifty million, one hundred thirty-eight thousand, four hundred ninety-six".