1551560032 has 48 divisors (see below), whose sum is σ = 3354511104. Its totient is φ = 700560000.

The previous prime is 1551559973. The next prime is 1551560033. The reversal of 1551560032 is 2300651551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551560033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38557 + ... + 67747.

It is an arithmetic number, because the mean of its divisors is an integer number (69885648).

Almost surely, 2^1551560032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551560032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677255552).

1551560032 is an abundant number, since it is smaller than the sum of its proper divisors (1802951072).

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

1551560032 is a wasteful number, since it uses less digits than its factorization.

1551560032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29363 (or 29355 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1551560032 is about 39389.8468136143. The cubic root of 1551560032 is about 1157.6826586896.

The spelling of 1551560032 in words is "one billion, five hundred fifty-one million, five hundred sixty thousand, thirty-two".