50642402 has 4 divisors (see below), whose sum is σ = 75963606. Its totient is φ = 25321200.

The previous prime is 50642399. The next prime is 50642407. The reversal of 50642402 is 20424605.

50642402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 8014561 = 6529^2 + 2831^2 .

It is not an unprimeable number, because it can be changed into a prime (50642407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660599 + ... + 12660602.

Almost surely, 2^50642402 is an apocalyptic number.

50642402 is a deficient number, since it is larger than the sum of its proper divisors (25321204).

50642402 is a wasteful number, since it uses less digits than its factorization.

50642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321203.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 50642402 is about 7116.3475182147. The cubic root of 50642402 is about 369.9741934765.

It can be divided in two parts, 506 and 42402, that multiplied together give a palindrome (21455412).

The spelling of 50642402 in words is "fifty million, six hundred forty-two thousand, four hundred two".