55712405 has 8 divisors (see below), whose sum is σ = 76405632. Its totient is φ = 38202768.

The previous prime is 55712357. The next prime is 55712431. The reversal of 55712405 is 50421755.

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 55712405 - 2⁶ = 55712341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795857 + ... + 795926.

It is an arithmetic number, because the mean of its divisors is an integer number (9550704).

Almost surely, 2^55712405 is an apocalyptic number.

It is an amenable number.

55712405 is a deficient number, since it is larger than the sum of its proper divisors (20693227).

55712405 is a wasteful number, since it uses less digits than its factorization.

55712405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591795.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55712405 is about 7464.0742895553. The cubic root of 55712405 is about 381.9301723558.

The spelling of 55712405 in words is "fifty-five million, seven hundred twelve thousand, four hundred five".