55722207152 has 10 divisors (see below), whose sum is σ = 107961776388. Its totient is φ = 27861103568.

The previous prime is 55722207139. The next prime is 55722207179. The reversal of 55722207152 is 25170222755.

It is a happy number.

It is a super-2 number, since 2×55722207152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1741318958 + ... + 1741318989.

Almost surely, 2^55722207152 is an apocalyptic number.

It is an amenable number.

55722207152 is a deficient number, since it is larger than the sum of its proper divisors (52239569236).

55722207152 is a wasteful number, since it uses less digits than its factorization.

55722207152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482637955 (or 3482637949 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 55722207152 in words is "fifty-five billion, seven hundred twenty-two million, two hundred seven thousand, one hundred fifty-two".