38550172 has 12 divisors (see below), whose sum is σ = 68221440. Its totient is φ = 19058336.

The previous prime is 38550167. The next prime is 38550173. The reversal of 38550172 is 27105583.

It is a super-2 number, since 2×38550172² = 2972231522459168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38550173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53788 + ... + 54499.

It is an arithmetic number, because the mean of its divisors is an integer number (5685120).

Almost surely, 2^38550172 is an apocalyptic number.

It is an amenable number.

38550172 is a deficient number, since it is larger than the sum of its proper divisors (29671268).

38550172 is a wasteful number, since it uses less digits than its factorization.

38550172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108380 (or 108378 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 38550172 is about 6208.8784816583. The cubic root of 38550172 is about 337.8122856244.

It can be divided in two parts, 385 and 50172, that multiplied together give a triangular number (19316220 = T₆₂₁₅).

The spelling of 38550172 in words is "thirty-eight million, five hundred fifty thousand, one hundred seventy-two".