530551100 has 18 divisors (see below), whose sum is σ = 1151296104. Its totient is φ = 212220400.

The previous prime is 530551039. The next prime is 530551139. The reversal of 530551100 is 1155035.

It is a happy number.

It is a super-2 number, since 2×530551100² = 562968939422420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2652656 + ... + 2652855.

Almost surely, 2^530551100 is an apocalyptic number.

530551100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530551100 is an abundant number, since it is smaller than the sum of its proper divisors (620745004).

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

530551100 is a wasteful number, since it uses less digits than its factorization.

530551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305525 (or 5305518 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 530551100 is about 23033.6948838001. The cubic root of 530551100 is about 809.5476313691.

The spelling of 530551100 in words is "five hundred thirty million, five hundred fifty-one thousand, one hundred".