106391552 has 24 divisors (see below), whose sum is σ = 212735250. Its totient is φ = 53194752.

The previous prime is 106391543. The next prime is 106391561. The reversal of 106391552 is 255193601.

It is an interprime number because it is at equal distance from previous prime (106391543) and next prime (106391561).

It can be written as a sum of positive squares in only one way, i.e., 100320256 + 6071296 = 10016^2 + 2464^2 .

It is a super-2 number, since 2×106391552² = 22638324673937408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23927 + ... + 28022.

Almost surely, 2^106391552 is an apocalyptic number.

It is an amenable number.

106391552 is a deficient number, since it is larger than the sum of its proper divisors (106343698).

106391552 is an frugal number, since it uses more digits than its factorization.

106391552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51971 (or 51951 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 106391552 is about 10314.6280592176. The cubic root of 106391552 is about 473.8443589243.

The spelling of 106391552 in words is "one hundred six million, three hundred ninety-one thousand, five hundred fifty-two".