55553887017402 has 64 divisors (see below), whose sum is σ = 118067399138304. Its totient is φ = 17365882878720.

The previous prime is 55553887017371. The next prime is 55553887017407. The reversal of 55553887017402 is 20471078835555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55553887017407) 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, 475855377 + ... + 475972107.

It is an arithmetic number, because the mean of its divisors is an integer number (1844803111536).

Almost surely, 2^{55553887017402} is an apocalyptic number.

55553887017402 is an abundant number, since it is smaller than the sum of its proper divisors (62513512120902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55553887017402 is a wasteful number, since it uses less digits than its factorization.

55553887017402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133523.

The product of its (nonzero) digits is 47040000, while the sum is 60.

The spelling of 55553887017402 in words is "fifty-five trillion, five hundred fifty-three billion, eight hundred eighty-seven million, seventeen thousand, four hundred two".