55007474 has 8 divisors (see below), whose sum is σ = 82553580. Its totient is φ = 27489616.

The previous prime is 55007431. The next prime is 55007479. The reversal of 55007474 is 47470055.

It can be written as a sum of positive squares in 2 ways, for example, as 47128225 + 7879249 = 6865^2 + 2807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55007474.

It is not an unprimeable number, because it can be changed into a prime (55007479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229 + ... + 10560.

Almost surely, 2^55007474 is an apocalyptic number.

55007474 is a deficient number, since it is larger than the sum of its proper divisors (27546106).

55007474 is a wasteful number, since it uses less digits than its factorization.

55007474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14124.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 55007474 is about 7416.7023669553. The cubic root of 55007474 is about 380.3124715181.

The spelling of 55007474 in words is "fifty-five million, seven thousand, four hundred seventy-four".