38172552 has 32 divisors (see below), whose sum is σ = 104107680. Its totient is φ = 11567360.

The previous prime is 38172551. The next prime is 38172553. The reversal of 38172552 is 25527183.

It is an interprime number because it is at equal distance from previous prime (38172551) and next prime (38172553).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (38172551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72033 + ... + 72560.

It is an arithmetic number, because the mean of its divisors is an integer number (3253365).

Almost surely, 2^38172552 is an apocalyptic number.

It is an amenable number.

38172552 is an abundant number, since it is smaller than the sum of its proper divisors (65935128).

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

38172552 is a wasteful number, since it uses less digits than its factorization.

38172552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144613 (or 144609 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 38172552 is about 6178.3939660724. The cubic root of 38172552 is about 336.7056456954.

The spelling of 38172552 in words is "thirty-eight million, one hundred seventy-two thousand, five hundred fifty-two".