55431222617002 has 4 divisors (see below), whose sum is σ = 83146833925506. Its totient is φ = 27715611308500.

The previous prime is 55431222616969. The next prime is 55431222617027. The reversal of 55431222617002 is 20071622213455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42208683106041 + 13222539510961 = 6496821^2 + 3636281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13857805654249 + ... + 13857805654252.

Almost surely, 2^{55431222617002} is an apocalyptic number.

55431222617002 is a deficient number, since it is larger than the sum of its proper divisors (27715611308504).

55431222617002 is a wasteful number, since it uses less digits than its factorization.

55431222617002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27715611308503.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 55431222617002 in words is "fifty-five trillion, four hundred thirty-one billion, two hundred twenty-two million, six hundred seventeen thousand, two".