55099637 has 2 divisors, whose sum is σ = 55099638. Its totient is φ = 55099636.

The previous prime is 55099631. The next prime is 55099643. The reversal of 55099637 is 73699055.

It is a balanced prime because it is at equal distance from previous prime (55099631) and next prime (55099643).

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 5340721 = 7054^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 55099637 - 2⁶ = 55099573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55099631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27549818 + 27549819.

It is an arithmetic number, because the mean of its divisors is an integer number (27549819).

Almost surely, 2^55099637 is an apocalyptic number.

It is an amenable number.

55099637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55099637 is an equidigital number, since it uses as much as digits as its factorization.

55099637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 55099637 is about 7422.9129726813. The cubic root of 55099637 is about 380.5247528596.

The spelling of 55099637 in words is "fifty-five million, ninety-nine thousand, six hundred thirty-seven".