553121950 has 24 divisors (see below), whose sum is σ = 1043303760. Its totient is φ = 218131200.

The previous prime is 553121929. The next prime is 553121951. The reversal of 553121950 is 59121355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553121951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74355 + ... + 81454.

It is an arithmetic number, because the mean of its divisors is an integer number (43470990).

Almost surely, 2^553121950 is an apocalyptic number.

553121950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

553121950 is a deficient number, since it is larger than the sum of its proper divisors (490181810).

553121950 is a wasteful number, since it uses less digits than its factorization.

553121950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155892 (or 155887 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 553121950 is about 23518.5448104257. The cubic root of 553121950 is about 820.8685769665.

The spelling of 553121950 in words is "five hundred fifty-three million, one hundred twenty-one thousand, nine hundred fifty".