50534421 has 32 divisors (see below), whose sum is σ = 81969408. Its totient is φ = 27033600.

The previous prime is 50534383. The next prime is 50534431. The reversal of 50534421 is 12443505.

It is not a de Polignac number, because 50534421 - 2⁹ = 50533909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50534391 and 50534400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50534431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125821 + ... + 126221.

It is an arithmetic number, because the mean of its divisors is an integer number (2561544).

Almost surely, 2^50534421 is an apocalyptic number.

50534421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50534421 is a deficient number, since it is larger than the sum of its proper divisors (31434987).

50534421 is a wasteful number, since it uses less digits than its factorization.

50534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

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

The square root of 50534421 is about 7108.7566423391. The cubic root of 50534421 is about 369.7110502753.

Adding to 50534421 its reverse (12443505), we get a palindrome (62977926).

The spelling of 50534421 in words is "fifty million, five hundred thirty-four thousand, four hundred twenty-one".