55550527 has 2 divisors, whose sum is σ = 55550528. Its totient is φ = 55550526.

The previous prime is 55550503. The next prime is 55550557. The reversal of 55550527 is 72505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55550527 - 2¹⁹ = 55026239 is a prime.

It is a super-2 number, since 2×55550527² = 6171722099955458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55550492 and 55550501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55550557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775263 + 27775264.

It is an arithmetic number, because the mean of its divisors is an integer number (27775264).

Almost surely, 2^55550527 is an apocalyptic number.

55550527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550527 is an equidigital number, since it uses as much as digits as its factorization.

55550527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 55550527 is about 7453.2225916043. Note that the first 3 decimals coincide. The cubic root of 55550527 is about 381.5599013188.

The spelling of 55550527 in words is "fifty-five million, five hundred fifty thousand, five hundred twenty-seven".