102553620 has 48 divisors (see below), whose sum is σ = 309240960. Its totient is φ = 25243776.

The previous prime is 102553609. The next prime is 102553651. The reversal of 102553620 is 26355201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64960 + ... + 66519.

It is an arithmetic number, because the mean of its divisors is an integer number (6442520).

Almost surely, 2^102553620 is an apocalyptic number.

102553620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102553620 is an abundant number, since it is smaller than the sum of its proper divisors (206687340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102553620 is a wasteful number, since it uses less digits than its factorization.

102553620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131504 (or 131502 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 102553620 is about 10126.8761224773. The cubic root of 102553620 is about 468.0766730979.

It can be divided in two parts, 1025 and 53620, that added together give a palindrome (54645).

The spelling of 102553620 in words is "one hundred two million, five hundred fifty-three thousand, six hundred twenty".