5547409957 has 2 divisors, whose sum is σ = 5547409958. Its totient is φ = 5547409956.

The previous prime is 5547409949. The next prime is 5547409969. The reversal of 5547409957 is 7599047455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5423733316 + 123676641 = 73646^2 + 11121^2 .

It is a cyclic number.

It is not a de Polignac number, because 5547409957 - 2³ = 5547409949 is a prime.

It is a super-5 number, since 5×5547409957⁵ (a number of 50 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5547409898 and 5547409907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5547409937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773704978 + 2773704979.

It is an arithmetic number, because the mean of its divisors is an integer number (2773704979).

Almost surely, 2^5547409957 is an apocalyptic number.

It is an amenable number.

5547409957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5547409957 is an equidigital number, since it uses as much as digits as its factorization.

5547409957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The square root of 5547409957 is about 74480.9368697790. The cubic root of 5547409957 is about 1770.2315928995.

The spelling of 5547409957 in words is "five billion, five hundred forty-seven million, four hundred nine thousand, nine hundred fifty-seven".