55670407 has 8 divisors (see below), whose sum is σ = 60015200. Its totient is φ = 51334560.

The previous prime is 55670371. The next prime is 55670441. The reversal of 55670407 is 70407655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55670407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55670107) 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, 16657 + ... + 19717.

It is an arithmetic number, because the mean of its divisors is an integer number (7501900).

Almost surely, 2^55670407 is an apocalyptic number.

55670407 is a deficient number, since it is larger than the sum of its proper divisors (4344793).

55670407 is a wasteful number, since it uses less digits than its factorization.

55670407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 55670407 is about 7461.2604163104. The cubic root of 55670407 is about 381.8341773636.

The spelling of 55670407 in words is "fifty-five million, six hundred seventy thousand, four hundred seven".