1552656432 has 40 divisors (see below), whose sum is σ = 4059365184. Its totient is φ = 511315264.

The previous prime is 1552656397. The next prime is 1552656439. The reversal of 1552656432 is 2346562551.

It is not an unprimeable number, because it can be changed into a prime (1552656439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190878 + ... + 198845.

Almost surely, 2^1552656432 is an apocalyptic number.

1552656432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552656432 is an abundant number, since it is smaller than the sum of its proper divisors (2506708752).

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

1552656432 is a wasteful number, since it uses less digits than its factorization.

1552656432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389817 (or 389811 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 1552656432 is about 39403.7616478427. The cubic root of 1552656432 is about 1157.9552841721.

The spelling of 1552656432 in words is "one billion, five hundred fifty-two million, six hundred fifty-six thousand, four hundred thirty-two".