55774007 has 8 divisors (see below), whose sum is σ = 57065472. Its totient is φ = 54487000.

The previous prime is 55774003. The next prime is 55774009. The reversal of 55774007 is 70047755.

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

It is a cyclic number.

It is not a de Polignac number, because 55774007 - 2² = 55774003 is a prime.

It is a super-2 number, since 2×55774007² = 6221479713672098, 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 (55774003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47882 + ... + 49032.

It is an arithmetic number, because the mean of its divisors is an integer number (7133184).

Almost surely, 2^55774007 is an apocalyptic number.

55774007 is a deficient number, since it is larger than the sum of its proper divisors (1291465).

55774007 is a wasteful number, since it uses less digits than its factorization.

55774007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 55774007 is about 7468.1997161297. The cubic root of 55774007 is about 382.0708890489.

The spelling of 55774007 in words is "fifty-five million, seven hundred seventy-four thousand, seven".