55911372434 has 4 divisors (see below), whose sum is σ = 83867058654. Its totient is φ = 27955686216.

The previous prime is 55911372427. The next prime is 55911372463. The reversal of 55911372434 is 43427311955.

It is a happy number.

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., 36594542209 + 19316830225 = 191297^2 + 138985^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977843107 + ... + 13977843110.

Almost surely, 2^55911372434 is an apocalyptic number.

55911372434 is a deficient number, since it is larger than the sum of its proper divisors (27955686220).

55911372434 is a wasteful number, since it uses less digits than its factorization.

55911372434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955686219.

The product of its digits is 453600, while the sum is 44.

The spelling of 55911372434 in words is "fifty-five billion, nine hundred eleven million, three hundred seventy-two thousand, four hundred thirty-four".