55748653 has 2 divisors, whose sum is σ = 55748654. Its totient is φ = 55748652.

The previous prime is 55748639. The next prime is 55748657. The reversal of 55748653 is 35684755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45995524 + 9753129 = 6782^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 55748653 - 2⁹ = 55748141 is a prime.

It is a super-2 number, since 2×55748653² = 6215824622628818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55748657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27874326 + 27874327.

It is an arithmetic number, because the mean of its divisors is an integer number (27874327).

Almost surely, 2^55748653 is an apocalyptic number.

It is an amenable number.

55748653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55748653 is an equidigital number, since it uses as much as digits as its factorization.

55748653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The square root of 55748653 is about 7466.5020591975. The cubic root of 55748653 is about 382.0129857706.

The spelling of 55748653 in words is "fifty-five million, seven hundred forty-eight thousand, six hundred fifty-three".