539617950 has 144 divisors (see below), whose sum is σ = 1569649536. Its totient is φ = 137570400.

The previous prime is 539617919. The next prime is 539617987. The reversal of 539617950 is 59716935.

539617950 is a `hidden beast` number, since 539 + 61 + 7 + 9 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539617896 and 539617905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 278485 + ... + 280415.

It is an arithmetic number, because the mean of its divisors is an integer number (10900344).

Almost surely, 2^539617950 is an apocalyptic number.

539617950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 539617950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784824768).

539617950 is an abundant number, since it is smaller than the sum of its proper divisors (1030031586).

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

539617950 is a wasteful number, since it uses less digits than its factorization.

539617950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 539617950 is about 23229.6782155931. The cubic root of 539617950 is about 814.1331946237.

The spelling of 539617950 in words is "five hundred thirty-nine million, six hundred seventeen thousand, nine hundred fifty".