102554551 has 8 divisors (see below), whose sum is σ = 113226624. Its totient is φ = 92107320.

The previous prime is 102554531. The next prime is 102554563. The reversal of 102554551 is 155455201.

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

It is a cyclic number.

It is not a de Polignac number, because 102554551 - 2¹³ = 102546359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102554531) 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, 55251 + ... + 57076.

It is an arithmetic number, because the mean of its divisors is an integer number (14153328).

Almost surely, 2^102554551 is an apocalyptic number.

102554551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102554551 is a deficient number, since it is larger than the sum of its proper divisors (10672073).

102554551 is a wasteful number, since it uses less digits than its factorization.

102554551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112421.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 102554551 is about 10126.9220891641. The cubic root of 102554551 is about 468.0780895213.

The spelling of 102554551 in words is "one hundred two million, five hundred fifty-four thousand, five hundred fifty-one".