55022553 has 12 divisors (see below), whose sum is σ = 79625520. Its totient is φ = 36613176.

The previous prime is 55022543. The next prime is 55022567. The reversal of 55022553 is 35522055.

It is not a de Polignac number, because 55022553 - 2⁵ = 55022521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55022543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (6635460).

Almost surely, 2^55022553 is an apocalyptic number.

It is an amenable number.

55022553 is a deficient number, since it is larger than the sum of its proper divisors (24602967).

55022553 is a wasteful number, since it uses less digits than its factorization.

55022553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428 (or 11425 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 55022553 is about 7417.7188542031. The cubic root of 55022553 is about 380.3472195709.

The spelling of 55022553 in words is "fifty-five million, twenty-two thousand, five hundred fifty-three".