55074569 has 16 divisors (see below), whose sum is σ = 62329344. Its totient is φ = 48211200.

The previous prime is 55074557. The next prime is 55074571. The reversal of 55074569 is 96547055.

It is not a de Polignac number, because 55074569 - 2¹² = 55070473 is a prime.

It is a super-2 number, since 2×55074569² = 6066416301071522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55074599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126977 + ... + 127409.

It is an arithmetic number, because the mean of its divisors is an integer number (3895584).

Almost surely, 2^55074569 is an apocalyptic number.

It is an amenable number.

55074569 is a deficient number, since it is larger than the sum of its proper divisors (7254775).

55074569 is a wasteful number, since it uses less digits than its factorization.

55074569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55074569 is about 7421.2242251532. The cubic root of 55074569 is about 380.4670365599.

The spelling of 55074569 in words is "fifty-five million, seventy-four thousand, five hundred sixty-nine".