55754869 has 2 divisors, whose sum is σ = 55754870. Its totient is φ = 55754868.

The previous prime is 55754861. The next prime is 55754879. The reversal of 55754869 is 96845755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40832100 + 14922769 = 6390^2 + 3863^2 .

It is a cyclic number.

It is not a de Polignac number, because 55754869 - 2³ = 55754861 is a prime.

It is a super-2 number, since 2×55754869² = 6217210834414322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55754861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877434 + 27877435.

It is an arithmetic number, because the mean of its divisors is an integer number (27877435).

Almost surely, 2^55754869 is an apocalyptic number.

It is an amenable number.

55754869 is a deficient number, since it is larger than the sum of its proper divisors (1).

55754869 is an equidigital number, since it uses as much as digits as its factorization.

55754869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 49.

The square root of 55754869 is about 7466.9183067715. The cubic root of 55754869 is about 382.0271834497.

The spelling of 55754869 in words is "fifty-five million, seven hundred fifty-four thousand, eight hundred sixty-nine".