55472420650 has 12 divisors (see below), whose sum is σ = 103178702502. Its totient is φ = 22188968240.

The previous prime is 55472420623. The next prime is 55472420651. The reversal of 55472420650 is 5602427455.

It can be written as a sum of positive squares in 3 ways, for example, as 29134051969 + 26338368681 = 170687^2 + 162291^2 .

It is not an unprimeable number, because it can be changed into a prime (55472420651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554724157 + ... + 554724256.

Almost surely, 2^55472420650 is an apocalyptic number.

55472420650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55472420650 is a deficient number, since it is larger than the sum of its proper divisors (47706281852).

55472420650 is a wasteful number, since it uses less digits than its factorization.

55472420650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109448425 (or 1109448420 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 55472420650 in words is "fifty-five billion, four hundred seventy-two million, four hundred twenty thousand, six hundred fifty".