55897222562 has 4 divisors (see below), whose sum is σ = 83845833846. Its totient is φ = 27948611280.

The previous prime is 55897222519. The next prime is 55897222567. The reversal of 55897222562 is 26522279855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26522279855 = 5 ⋅5304455971.

It can be written as a sum of positive squares in only one way, i.e., 54680677921 + 1216544641 = 233839^2 + 34879^2 .

It is not an unprimeable number, because it can be changed into a prime (55897222567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13974305639 + ... + 13974305642.

Almost surely, 2^55897222562 is an apocalyptic number.

55897222562 is a deficient number, since it is larger than the sum of its proper divisors (27948611284).

55897222562 is a wasteful number, since it uses less digits than its factorization.

55897222562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27948611283.

The product of its digits is 6048000, while the sum is 53.

The spelling of 55897222562 in words is "fifty-five billion, eight hundred ninety-seven million, two hundred twenty-two thousand, five hundred sixty-two".