1552550323 has 2 divisors, whose sum is σ = 1552550324. Its totient is φ = 1552550322.

The previous prime is 1552550309. The next prime is 1552550341. The reversal of 1552550323 is 3230552551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1552550323 - 2⁵ = 1552550291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552550123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776275161 + 776275162.

It is an arithmetic number, because the mean of its divisors is an integer number (776275162).

Almost surely, 2^1552550323 is an apocalyptic number.

1552550323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552550323 is an equidigital number, since it uses as much as digits as its factorization.

1552550323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 1552550323 is about 39402.4151924727. The cubic root of 1552550323 is about 1157.9289052356.

The spelling of 1552550323 in words is "one billion, five hundred fifty-two million, five hundred fifty thousand, three hundred twenty-three".