50131152 has 90 divisors (see below), whose sum is σ = 145590198. Its totient is φ = 16091136.

The previous prime is 50131129. The next prime is 50131153. The reversal of 50131152 is 25113105.

It can be written as a sum of positive squares in 3 ways, for example, as 14561856 + 35569296 = 3816^2 + 5964^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50131153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 516768 + ... + 516864.

Almost surely, 2^50131152 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 50131152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72795099).

50131152 is an abundant number, since it is smaller than the sum of its proper divisors (95459046).

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

50131152 is a wasteful number, since it uses less digits than its factorization.

50131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 50131152 is about 7080.3355852671. The cubic root of 50131152 is about 368.7249807022.

Adding to 50131152 its reverse (25113105), we get a palindrome (75244257).

The spelling of 50131152 in words is "fifty million, one hundred thirty-one thousand, one hundred fifty-two".