50115388 has 48 divisors (see below), whose sum is σ = 99187200. Its totient is φ = 22014720.

The previous prime is 50115379. The next prime is 50115389. The reversal of 50115388 is 88351105.

It is a super-2 number, since 2×50115388² = 5023104228781088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101823 + ... + 102313.

It is an arithmetic number, because the mean of its divisors is an integer number (2066400).

Almost surely, 2^50115388 is an apocalyptic number.

It is an amenable number.

50115388 is a deficient number, since it is larger than the sum of its proper divisors (49071812).

50115388 is a wasteful number, since it uses less digits than its factorization.

50115388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 50115388 is about 7079.2222736682. Note that the first 4 decimals coincide. The cubic root of 50115388 is about 368.6863274913.

The spelling of 50115388 in words is "fifty million, one hundred fifteen thousand, three hundred eighty-eight".