55708212287 has 32 divisors (see below), whose sum is σ = 72204625920. Its totient is φ = 41738457600.

The previous prime is 55708212223. The next prime is 55708212293. The reversal of 55708212287 is 78221280755.

It is not a de Polignac number, because 55708212287 - 2⁶ = 55708212223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55708212487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4837178 + ... + 4848680.

It is an arithmetic number, because the mean of its divisors is an integer number (2256394560).

Almost surely, 2^55708212287 is an apocalyptic number.

55708212287 is a deficient number, since it is larger than the sum of its proper divisors (16496413633).

55708212287 is a wasteful number, since it uses less digits than its factorization.

55708212287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343.

The product of its (nonzero) digits is 627200, while the sum is 47.

The spelling of 55708212287 in words is "fifty-five billion, seven hundred eight million, two hundred twelve thousand, two hundred eighty-seven".