55023637 has 2 divisors, whose sum is σ = 55023638. Its totient is φ = 55023636.

The previous prime is 55023629. The next prime is 55023653. The reversal of 55023637 is 73632055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 2692881 = 7234^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 55023637 - 2³ = 55023629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55023599 and 55023608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55023697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27511818 + 27511819.

It is an arithmetic number, because the mean of its divisors is an integer number (27511819).

Almost surely, 2^55023637 is an apocalyptic number.

It is an amenable number.

55023637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55023637 is an equidigital number, since it uses as much as digits as its factorization.

55023637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 55023637 is about 7417.7919221288. The cubic root of 55023637 is about 380.3497172962.

The spelling of 55023637 in words is "fifty-five million, twenty-three thousand, six hundred thirty-seven".