1552662551 has 4 divisors (see below), whose sum is σ = 1693813704. Its totient is φ = 1411511400.

The previous prime is 1552662499. The next prime is 1552662563.

1552662551 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552662551 - 2²² = 1548468247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552662451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70575560 + ... + 70575581.

It is an arithmetic number, because the mean of its divisors is an integer number (423453426).

Almost surely, 2^1552662551 is an apocalyptic number.

1552662551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1552662551 is a deficient number, since it is larger than the sum of its proper divisors (141151153).

1552662551 is a wasteful number, since it uses less digits than its factorization.

1552662551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141151152.

The product of its digits is 90000, while the sum is 38.

The square root of 1552662551 is about 39403.8392926375. The cubic root of 1552662551 is about 1157.9568053327.

The spelling of 1552662551 in words is "one billion, five hundred fifty-two million, six hundred sixty-two thousand, five hundred fifty-one".