55574667 has 20 divisors (see below), whose sum is σ = 83504520. Its totient is φ = 36833184.

The previous prime is 55574627. The next prime is 55574669. The reversal of 55574667 is 76647555.

It is not a de Polignac number, because 55574667 - 2¹¹ = 55572619 is a prime.

It is a super-2 number, since 2×55574667² = 6177087224321778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55574669) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12583 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (4175226).

Almost surely, 2^55574667 is an apocalyptic number.

55574667 is a deficient number, since it is larger than the sum of its proper divisors (27929853).

55574667 is a wasteful number, since it uses less digits than its factorization.

55574667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4015 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 55574667 is about 7454.8418494291. The cubic root of 55574667 is about 381.6151634535.

The spelling of 55574667 in words is "fifty-five million, five hundred seventy-four thousand, six hundred sixty-seven".