50400052 has 6 divisors (see below), whose sum is σ = 88200098. Its totient is φ = 25200024.

The previous prime is 50400037. The next prime is 50400067. The reversal of 50400052 is 25000405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50400037) and next prime (50400067).

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 10407076 = 6324^2 + 3226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50399999 and 50400035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300003 + ... + 6300010.

Almost surely, 2^50400052 is an apocalyptic number.

It is an amenable number.

50400052 is a deficient number, since it is larger than the sum of its proper divisors (37800046).

50400052 is a wasteful number, since it uses less digits than its factorization.

50400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600017 (or 12600015 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 50400052 is about 7099.2994020537. The cubic root of 50400052 is about 369.3830771260.

Adding to 50400052 its reverse (25000405), we get a palindrome (75400457).

The spelling of 50400052 in words is "fifty million, four hundred thousand, fifty-two".