55975050 has 144 divisors (see below), whose sum is σ = 165739392. Its totient is φ = 13996800.

The previous prime is 55975039. The next prime is 55975061. The reversal of 55975050 is 5057955.

It is a happy number.

55975050 is a `hidden beast` number, since 559 + 7 + 50 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (55975039) and next prime (55975061).

It is a junction number, because it is equal to n+sod(n) for n = 55974996 and 55975014.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206415 + ... + 206685.

It is an arithmetic number, because the mean of its divisors is an integer number (1150968).

Almost surely, 2^55975050 is an apocalyptic number.

55975050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55975050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82869696).

55975050 is an abundant number, since it is smaller than the sum of its proper divisors (109764342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55975050 is a wasteful number, since it uses less digits than its factorization.

55975050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 36.

The square root of 55975050 is about 7481.6475458284. The cubic root of 55975050 is about 382.5294095034.

The spelling of 55975050 in words is "fifty-five million, nine hundred seventy-five thousand, fifty".