55358612 has 6 divisors (see below), whose sum is σ = 96877578. Its totient is φ = 27679304.

The previous prime is 55358603. The next prime is 55358627. The reversal of 55358612 is 21685355.

It can be written as a sum of positive squares in only one way, i.e., 55294096 + 64516 = 7436^2 + 254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919823 + ... + 6919830.

It is an arithmetic number, because the mean of its divisors is an integer number (16146263).

Almost surely, 2^55358612 is an apocalyptic number.

It is an amenable number.

55358612 is a deficient number, since it is larger than the sum of its proper divisors (41518966).

55358612 is a wasteful number, since it uses less digits than its factorization.

55358612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839657 (or 13839655 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 55358612 is about 7440.3368203328. The cubic root of 55358612 is about 381.1199921495.

The spelling of 55358612 in words is "fifty-five million, three hundred fifty-eight thousand, six hundred twelve".