5557530 has 48 divisors (see below), whose sum is σ = 14670432. Its totient is φ = 1346400.

The previous prime is 5557523. The next prime is 5557537. The reversal of 5557530 is 357555.

It is an interprime number because it is at equal distance from previous prime (5557523) and next prime (5557537).

It is a super-2 number, since 2×5557530² = 61772279401800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5557537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2865 + ... + 4395.

It is an arithmetic number, because the mean of its divisors is an integer number (305634).

Almost surely, 2^5557530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5557530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7335216).

5557530 is an abundant number, since it is smaller than the sum of its proper divisors (9112902).

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

5557530 is a wasteful number, since it uses less digits than its factorization.

5557530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 5557530 is about 2357.4414096643. The cubic root of 5557530 is about 177.1307406484.

The spelling of 5557530 in words is "five million, five hundred fifty-seven thousand, five hundred thirty".