55153870546 has 4 divisors (see below), whose sum is σ = 82730805822. Its totient is φ = 27576935272.

The previous prime is 55153870523. The next prime is 55153870573. The reversal of 55153870546 is 64507835155.

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., 53319889921 + 1833980625 = 230911^2 + 42825^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55153870546.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13788467635 + ... + 13788467638.

Almost surely, 2^55153870546 is an apocalyptic number.

55153870546 is a deficient number, since it is larger than the sum of its proper divisors (27576935276).

55153870546 is a wasteful number, since it uses less digits than its factorization.

55153870546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27576935275.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 55153870546 in words is "fifty-five billion, one hundred fifty-three million, eight hundred seventy thousand, five hundred forty-six".