50252640 has 48 divisors (see below), whose sum is σ = 158297328. Its totient is φ = 13400576.

The previous prime is 50252627. The next prime is 50252641. The reversal of 50252640 is 4625205.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50252640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50252641) 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, 51867 + ... + 52826.

It is an arithmetic number, because the mean of its divisors is an integer number (3297861).

Almost surely, 2^50252640 is an apocalyptic number.

It is an amenable number.

50252640 is an abundant number, since it is smaller than the sum of its proper divisors (108044688).

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

50252640 is a wasteful number, since it uses less digits than its factorization.

50252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104711 (or 104703 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 50252640 is about 7088.9096481758. The cubic root of 50252640 is about 369.0225968638.

Adding to 50252640 its reverse (4625205), we get a palindrome (54877845).

The spelling of 50252640 in words is "fifty million, two hundred fifty-two thousand, six hundred forty".