55472399 has 2 divisors, whose sum is σ = 55472400. Its totient is φ = 55472398.

The previous prime is 55472387. The next prime is 55472437. The reversal of 55472399 is 99327455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55472399 - 2⁸ = 55472143 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 (55472359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27736199 + 27736200.

It is an arithmetic number, because the mean of its divisors is an integer number (27736200).

Almost surely, 2^55472399 is an apocalyptic number.

55472399 is a deficient number, since it is larger than the sum of its proper divisors (1).

55472399 is an equidigital number, since it uses as much as digits as its factorization.

55472399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 55472399 is about 7447.9795246765. The cubic root of 55472399 is about 381.3809381298.

The spelling of 55472399 in words is "fifty-five million, four hundred seventy-two thousand, three hundred ninety-nine".