1555413530 has 64 divisors (see below), whose sum is σ = 3318865920. Its totient is φ = 518529600.

The previous prime is 1555413529. The next prime is 1555413547. The reversal of 1555413530 is 353145551.

It is a super-2 number, since 2×1555413530² = 4838622498614121800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52787 + ... + 76793.

It is an arithmetic number, because the mean of its divisors is an integer number (51857280).

Almost surely, 2^1555413530 is an apocalyptic number.

1555413530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1555413530 is an abundant number, since it is smaller than the sum of its proper divisors (1763452390).

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

1555413530 is a wasteful number, since it uses less digits than its factorization.

1555413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24075.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 1555413530 is about 39438.7313436931. The cubic root of 1555413530 is about 1158.6402840354.

The spelling of 1555413530 in words is "one billion, five hundred fifty-five million, four hundred thirteen thousand, five hundred thirty".