50418000 has 120 divisors (see below), whose sum is σ = 176156136. Its totient is φ = 13440000.

The previous prime is 50417993. The next prime is 50418007. The reversal of 50418000 is 81405.

It is an interprime number because it is at equal distance from previous prime (50417993) and next prime (50418007).

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 48274704 = 1464^2 + 6948^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50418007) 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, 16600 + ... + 19400.

Almost surely, 2^50418000 is an apocalyptic number.

50418000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50418000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88078068).

50418000 is an abundant number, since it is smaller than the sum of its proper divisors (125738136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50418000 is a wasteful number, since it uses less digits than its factorization.

50418000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 50418000 is about 7100.5633579315. The cubic root of 50418000 is about 369.4269190163.

Adding to 50418000 its reverse (81405), we get a palindrome (50499405).

It can be divided in two parts, 5041 and 8000, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 50418000 in words is "fifty million, four hundred eighteen thousand".