549929453950 has 48 divisors (see below), whose sum is σ = 1039809072960. Its totient is φ = 216329904000.

The previous prime is 549929453939. The next prime is 549929453989. The reversal of 549929453950 is 59354929945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25697755 + ... + 25719145.

It is an arithmetic number, because the mean of its divisors is an integer number (21662689020).

Almost surely, 2^549929453950 is an apocalyptic number.

549929453950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

549929453950 is a deficient number, since it is larger than the sum of its proper divisors (489879619010).

549929453950 is a wasteful number, since it uses less digits than its factorization.

549929453950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29893 (or 29888 counting only the distinct ones).

The product of its (nonzero) digits is 78732000, while the sum is 64.

The spelling of 549929453950 in words is "five hundred forty-nine billion, nine hundred twenty-nine million, four hundred fifty-three thousand, nine hundred fifty".