1552540545 has 12 divisors (see below), whose sum is σ = 2691070356. Its totient is φ = 828021600.

The previous prime is 1552540529. The next prime is 1552540571. The reversal of 1552540545 is 5450452551.

1552540545 is a `hidden beast` number, since 1 + 55 + 25 + 40 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 217149696 + 1335390849 = 14736^2 + 36543^2 .

It is not a de Polignac number, because 1552540545 - 2⁴ = 1552540529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17250406 + ... + 17250495.

It is an arithmetic number, because the mean of its divisors is an integer number (224255863).

Almost surely, 2^1552540545 is an apocalyptic number.

1552540545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1552540545 is a deficient number, since it is larger than the sum of its proper divisors (1138529811).

1552540545 is a wasteful number, since it uses less digits than its factorization.

1552540545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500912 (or 34500909 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The square root of 1552540545 is about 39402.2911135888. The cubic root of 1552540545 is about 1157.9264743423.

The spelling of 1552540545 in words is "one billion, five hundred fifty-two million, five hundred forty thousand, five hundred forty-five".