1552540551 has 8 divisors (see below), whose sum is σ = 2070850800. Its totient is φ = 1034628672.

The previous prime is 1552540529. The next prime is 1552540571. The reversal of 1552540551 is 1550452551.

1552540551 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1552540551 - 2⁹ = 1552540039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552540571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90376 + ... + 106173.

It is an arithmetic number, because the mean of its divisors is an integer number (258856350).

Almost surely, 2^1552540551 is an apocalyptic number.

1552540551 is a deficient number, since it is larger than the sum of its proper divisors (518310249).

1552540551 is a wasteful number, since it uses less digits than its factorization.

1552540551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199185.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 1552540551 is about 39402.2911897265. The cubic root of 1552540551 is about 1157.9264758340.

The spelling of 1552540551 in words is "one billion, five hundred fifty-two million, five hundred forty thousand, five hundred fifty-one".