51860153 has 2 divisors, whose sum is σ = 51860154. Its totient is φ = 51860152.

The previous prime is 51860141. The next prime is 51860161. The reversal of 51860153 is 35106815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 11002489 = 6392^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 51860153 - 2¹⁴ = 51843769 is a prime.

It is equal to p_3105983 and since 51860153 and 3105983 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51866153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25930076 + 25930077.

It is an arithmetic number, because the mean of its divisors is an integer number (25930077).

Almost surely, 2^51860153 is an apocalyptic number.

It is an amenable number.

51860153 is a deficient number, since it is larger than the sum of its proper divisors (1).

51860153 is an equidigital number, since it uses as much as digits as its factorization.

51860153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51860153 is about 7201.3993778987. The cubic root of 51860153 is about 372.9162123995.

Adding to 51860153 its reverse (35106815), we get a palindrome (86966968).

The spelling of 51860153 in words is "fifty-one million, eight hundred sixty thousand, one hundred fifty-three".