55672481 has 2 divisors, whose sum is σ = 55672482. Its totient is φ = 55672480.

The previous prime is 55672469. The next prime is 55672483. The reversal of 55672481 is 18427655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 17430625 = 6184^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 55672481 - 2⁶ = 55672417 is a prime.

It is a super-2 number, since 2×55672481² = 6198850281390722, which contains 22 as substring.

Together with 55672483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55672483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27836240 + 27836241.

It is an arithmetic number, because the mean of its divisors is an integer number (27836241).

Almost surely, 2^55672481 is an apocalyptic number.

It is an amenable number.

55672481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55672481 is an equidigital number, since it uses as much as digits as its factorization.

55672481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 38.

The square root of 55672481 is about 7461.3993995765. The cubic root of 55672481 is about 381.8389190465.

It can be divided in two parts, 556 and 72481, that added together give a palindrome (73037).

The spelling of 55672481 in words is "fifty-five million, six hundred seventy-two thousand, four hundred eighty-one".