50402053 has 6 divisors (see below), whose sum is σ = 54577554. Its totient is φ = 46524816.

The previous prime is 50402021. The next prime is 50402083. The reversal of 50402053 is 35020405.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6749604 + 43652449 = 2598^2 + 6607^2 .

It is not a de Polignac number, because 50402053 - 2⁵ = 50402021 is a prime.

It is a super-2 number, since 2×50402053² = 5080733893229618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50402053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50402083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148950 + ... + 149287.

It is an arithmetic number, because the mean of its divisors is an integer number (9096259).

Almost surely, 2^50402053 is an apocalyptic number.

It is an amenable number.

50402053 is a deficient number, since it is larger than the sum of its proper divisors (4175501).

50402053 is a wasteful number, since it uses less digits than its factorization.

50402053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298263 (or 298250 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 50402053 is about 7099.4403300542. The cubic root of 50402053 is about 369.3879655188.

Adding to 50402053 its reverse (35020405), we get a palindrome (85422458).

The spelling of 50402053 in words is "fifty million, four hundred two thousand, fifty-three".