101552550 has 48 divisors (see below), whose sum is σ = 274750272. Its totient is φ = 24618400.

The previous prime is 101552527. The next prime is 101552551. The reversal of 101552550 is 55255101.

It is a self number, because there is not a number n which added to its sum of digits gives 101552550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101552551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29124 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (5723964).

Almost surely, 2^101552550 is an apocalyptic number.

101552550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101552550 is an abundant number, since it is smaller than the sum of its proper divisors (173197722).

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

101552550 is a wasteful number, since it uses less digits than its factorization.

101552550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61573 (or 61568 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 101552550 is about 10077.3285150381. The cubic root of 101552550 is about 466.5486578026.

The spelling of 101552550 in words is "one hundred one million, five hundred fifty-two thousand, five hundred fifty".