55632461 has 2 divisors, whose sum is σ = 55632462. Its totient is φ = 55632460.

The previous prime is 55632439. The next prime is 55632481. The reversal of 55632461 is 16423655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 1976836 = 7325^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 55632461 - 2⁶ = 55632397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55632481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27816230 + 27816231.

It is an arithmetic number, because the mean of its divisors is an integer number (27816231).

Almost surely, 2^55632461 is an apocalyptic number.

It is an amenable number.

55632461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55632461 is an equidigital number, since it uses as much as digits as its factorization.

55632461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 55632461 is about 7458.7171148932. The cubic root of 55632461 is about 381.7474025178.

The spelling of 55632461 in words is "fifty-five million, six hundred thirty-two thousand, four hundred sixty-one".