116172550 has 48 divisors (see below), whose sum is σ = 240765840. Its totient is φ = 41408640.

The previous prime is 116172499. The next prime is 116172559. The reversal of 116172550 is 55271611.

It is a super-2 number, since 2×116172550² = 26992122747005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116172559) 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, 15769 + ... + 21931.

It is an arithmetic number, because the mean of its divisors is an integer number (5015955).

Almost surely, 2^116172550 is an apocalyptic number.

116172550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116172550 is an abundant number, since it is smaller than the sum of its proper divisors (124593290).

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

116172550 is a wasteful number, since it uses less digits than its factorization.

116172550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217 (or 6212 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 116172550 is about 10778.3370702535. The cubic root of 116172550 is about 487.9415941701.

The spelling of 116172550 in words is "one hundred sixteen million, one hundred seventy-two thousand, five hundred fifty".