50004405 has 64 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 23976000.

The previous prime is 50004401. The next prime is 50004407. The reversal of 50004405 is 50440005.

It is a happy number.

It is not a de Polignac number, because 50004405 - 2² = 50004401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50004401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224124 + ... + 224346.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^50004405 is an apocalyptic number.

50004405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50004405 is a deficient number, since it is larger than the sum of its proper divisors (48053835).

50004405 is a wasteful number, since it uses less digits than its factorization.

50004405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50004405 is about 7071.3792855425. The cubic root of 50004405 is about 368.4139683188.

Subtracting 50004405 from its reverse (50440005), we obtain a square (435600 = 660²).

The spelling of 50004405 in words is "fifty million, four thousand, four hundred five".