55534775 has 6 divisors (see below), whose sum is σ = 68863152. Its totient is φ = 44427800.

The previous prime is 55534771. The next prime is 55534789. The reversal of 55534775 is 57743555.

It is not a de Polignac number, because 55534775 - 2² = 55534771 is a prime.

It is a super-2 number, since 2×55534775² = 6168222468601250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110671 + ... + 1110720.

It is an arithmetic number, because the mean of its divisors is an integer number (11477192).

Almost surely, 2^55534775 is an apocalyptic number.

55534775 is a deficient number, since it is larger than the sum of its proper divisors (13328377).

55534775 is a wasteful number, since it uses less digits than its factorization.

55534775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221401 (or 2221396 counting only the distinct ones).

The product of its digits is 367500, while the sum is 41.

The square root of 55534775 is about 7452.1657925733. The cubic root of 55534775 is about 381.5238326555.

The spelling of 55534775 in words is "fifty-five million, five hundred thirty-four thousand, seven hundred seventy-five".