51229153 has 2 divisors, whose sum is σ = 51229154. Its totient is φ = 51229152.

The previous prime is 51229147. The next prime is 51229181. The reversal of 51229153 is 35192215.

51229153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (51229181) can be obtained adding 51229153 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47018449 + 4210704 = 6857^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 51229153 - 2²¹ = 49132001 is a prime.

It is a super-2 number, since 2×51229153² = 5248852234194818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51229103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25614576 + 25614577.

It is an arithmetic number, because the mean of its divisors is an integer number (25614577).

Almost surely, 2^51229153 is an apocalyptic number.

It is an amenable number.

51229153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51229153 is an equidigital number, since it uses as much as digits as its factorization.

51229153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 28.

The square root of 51229153 is about 7157.4543659041. The cubic root of 51229153 is about 371.3975705248.

The spelling of 51229153 in words is "fifty-one million, two hundred twenty-nine thousand, one hundred fifty-three".