1550153553 has 8 divisors (see below), whose sum is σ = 2225861568. Its totient is φ = 953940624.

The previous prime is 1550153509. The next prime is 1550153557. The reversal of 1550153553 is 3553510551.

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

It is not a de Polignac number, because 1550153553 - 2¹³ = 1550145361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550153557) 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 7 ways as a sum of consecutive naturals, for example, 19873725 + ... + 19873802.

It is an arithmetic number, because the mean of its divisors is an integer number (278232696).

Almost surely, 2^1550153553 is an apocalyptic number.

1550153553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1550153553 is a deficient number, since it is larger than the sum of its proper divisors (675708015).

1550153553 is a wasteful number, since it uses less digits than its factorization.

1550153553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39747543.

The product of its (nonzero) digits is 28125, while the sum is 33.

The square root of 1550153553 is about 39371.9894468136. The cubic root of 1550153553 is about 1157.3327423551.

The spelling of 1550153553 in words is "one billion, five hundred fifty million, one hundred fifty-three thousand, five hundred fifty-three".