55982401 has 2 divisors, whose sum is σ = 55982402. Its totient is φ = 55982400.

The previous prime is 55982393. The next prime is 55982413. The reversal of 55982401 is 10428955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 18147600 = 6151^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 55982401 - 2³ = 55982393 is a prime.

It is not a weakly prime, because it can be changed into another prime (55982471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27991200 + 27991201.

It is an arithmetic number, because the mean of its divisors is an integer number (27991201).

Almost surely, 2^55982401 is an apocalyptic number.

It is an amenable number.

55982401 is a deficient number, since it is larger than the sum of its proper divisors (1).

55982401 is an equidigital number, since it uses as much as digits as its factorization.

55982401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 55982401 is about 7482.1387984987. The cubic root of 55982401 is about 382.5461541697.

The spelling of 55982401 in words is "fifty-five million, nine hundred eighty-two thousand, four hundred one".