102553208 has 16 divisors (see below), whose sum is σ = 198490560. Its totient is φ = 49622400.

The previous prime is 102553147. The next prime is 102553249. The reversal of 102553208 is 802355201.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206513 + ... + 207008.

It is an arithmetic number, because the mean of its divisors is an integer number (12405660).

Almost surely, 2^102553208 is an apocalyptic number.

It is an amenable number.

102553208 is a deficient number, since it is larger than the sum of its proper divisors (95937352).

102553208 is a wasteful number, since it uses less digits than its factorization.

102553208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413558 (or 413554 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 102553208 is about 10126.8557805471. The cubic root of 102553208 is about 468.0760462783.

The spelling of 102553208 in words is "one hundred two million, five hundred fifty-three thousand, two hundred eight".