553493850 has 384 divisors, whose sum is σ = 1847881728. Its totient is φ = 106444800.

The previous prime is 553493839. The next prime is 553493861. The reversal of 553493850 is 58394355.

It is an interprime number because it is at equal distance from previous prime (553493839) and next prime (553493861).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12871929 + ... + 12871971.

It is an arithmetic number, because the mean of its divisors is an integer number (4812192).

Almost surely, 2^553493850 is an apocalyptic number.

553493850 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 553493850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923940864).

553493850 is an abundant number, since it is smaller than the sum of its proper divisors (1294387878).

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

553493850 is a wasteful number, since it uses less digits than its factorization.

553493850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 553493850 is about 23526.4500084479. The cubic root of 553493850 is about 821.0525102620.

The spelling of 553493850 in words is "five hundred fifty-three million, four hundred ninety-three thousand, eight hundred fifty".