55032137 has 2 divisors, whose sum is σ = 55032138. Its totient is φ = 55032136.

The previous prime is 55032119. The next prime is 55032199. The reversal of 55032137 is 73123055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 4280761 = 7124^2 + 2069^2 .

It is a cyclic number.

It is not a de Polignac number, because 55032137 - 2²² = 50837833 is a prime.

It is a super-2 number, since 2×55032137² = 6057072205573538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55032337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27516068 + 27516069.

It is an arithmetic number, because the mean of its divisors is an integer number (27516069).

Almost surely, 2^55032137 is an apocalyptic number.

It is an amenable number.

55032137 is a deficient number, since it is larger than the sum of its proper divisors (1).

55032137 is an equidigital number, since it uses as much as digits as its factorization.

55032137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 55032137 is about 7418.3648467840. The cubic root of 55032137 is about 380.3693016441.

The spelling of 55032137 in words is "fifty-five million, thirty-two thousand, one hundred thirty-seven".