1552506651 has 12 divisors (see below), whose sum is σ = 2257362640. Its totient is φ = 1028149200.

The previous prime is 1552506611. The next prime is 1552506737. The reversal of 1552506651 is 1566052551.

1552506651 is a `hidden beast` number, since 1 + 552 + 50 + 6 + 6 + 51 = 666.

It is not a de Polignac number, because 1552506651 - 2¹⁵ = 1552473883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552506611) 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 11 ways as a sum of consecutive naturals, for example, 569836 + ... + 572553.

Almost surely, 2^1552506651 is an apocalyptic number.

1552506651 is a deficient number, since it is larger than the sum of its proper divisors (704855989).

1552506651 is a wasteful number, since it uses less digits than its factorization.

1552506651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142546 (or 1142543 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 1552506651 is about 39401.8610093483. The cubic root of 1552506651 is about 1157.9180479289.

The spelling of 1552506651 in words is "one billion, five hundred fifty-two million, five hundred six thousand, six hundred fifty-one".