50190661450 has 48 divisors (see below), whose sum is σ = 100321507584. Its totient is φ = 18613267200.

The previous prime is 50190661447. The next prime is 50190661453. The reversal of 50190661450 is 5416609105.

It is an interprime number because it is at equal distance from previous prime (50190661447) and next prime (50190661453).

It is a super-2 number, since 2×50190661450² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50190661453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383706 + ... + 497605.

It is an arithmetic number, because the mean of its divisors is an integer number (2090031408).

Almost surely, 2^50190661450 is an apocalyptic number.

50190661450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50190661450 is a deficient number, since it is larger than the sum of its proper divisors (50130846134).

50190661450 is a wasteful number, since it uses less digits than its factorization.

50190661450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881407 (or 881402 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 50190661450 in words is "fifty billion, one hundred ninety million, six hundred sixty-one thousand, four hundred fifty".