50388969 has 32 divisors (see below), whose sum is σ = 75600000. Its totient is φ = 29666304.

The previous prime is 50388967. The next prime is 50388971. The reversal of 50388969 is 96988305.

It is an interprime number because it is at equal distance from previous prime (50388967) and next prime (50388971).

It is not a de Polignac number, because 50388969 - 2¹ = 50388967 is a prime.

It is a super-2 number, since 2×50388969² = 5078096393765922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50388967) 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, 144207 + ... + 144555.

It is an arithmetic number, because the mean of its divisors is an integer number (2362500).

Almost surely, 2^50388969 is an apocalyptic number.

It is an amenable number.

50388969 is a deficient number, since it is larger than the sum of its proper divisors (25211031).

50388969 is a wasteful number, since it uses less digits than its factorization.

50388969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 50388969 is about 7098.5187891559. The cubic root of 50388969 is about 369.3559992917.

The spelling of 50388969 in words is "fifty million, three hundred eighty-eight thousand, nine hundred sixty-nine".