55713205 has 16 divisors (see below), whose sum is σ = 69511680. Its totient is φ = 42815808.

The previous prime is 55713197. The next prime is 55713221. The reversal of 55713205 is 50231755.

It is a cyclic number.

It is not a de Polignac number, because 55713205 - 2³ = 55713197 is a prime.

It is a super-2 number, since 2×55713205² = 6207922422744050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31474 + ... + 33196.

It is an arithmetic number, because the mean of its divisors is an integer number (4344480).

Almost surely, 2^55713205 is an apocalyptic number.

It is an amenable number.

55713205 is a deficient number, since it is larger than the sum of its proper divisors (13798475).

55713205 is a wasteful number, since it uses less digits than its factorization.

55713205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55713205 is about 7464.1278793976. The cubic root of 55713205 is about 381.9320004506.

The spelling of 55713205 in words is "fifty-five million, seven hundred thirteen thousand, two hundred five".