55620050 has 24 divisors (see below), whose sum is σ = 105003696. Its totient is φ = 21914640.

The previous prime is 55620041. The next prime is 55620053. The reversal of 55620050 is 5002655.

It is a junction number, because it is equal to n+sod(n) for n = 55619998 and 55620025.

It is not an unprimeable number, because it can be changed into a prime (55620053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4952 + ... + 11651.

It is an arithmetic number, because the mean of its divisors is an integer number (4375154).

Almost surely, 2^55620050 is an apocalyptic number.

55620050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55620050 is a deficient number, since it is larger than the sum of its proper divisors (49383646).

55620050 is a wasteful number, since it uses less digits than its factorization.

55620050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682 (or 16677 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55620050 is about 7457.8850889512. The cubic root of 55620050 is about 381.7190125018.

The spelling of 55620050 in words is "fifty-five million, six hundred twenty thousand, fifty".