55686950 has 48 divisors (see below), whose sum is σ = 114206976. Its totient is φ = 20032800.

The previous prime is 55686949. The next prime is 55686971. The reversal of 55686950 is 5968655.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56159 + ... + 57141.

It is an arithmetic number, because the mean of its divisors is an integer number (2379312).

Almost surely, 2^55686950 is an apocalyptic number.

55686950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55686950 is an abundant number, since it is smaller than the sum of its proper divisors (58520026).

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

55686950 is a wasteful number, since it uses less digits than its factorization.

55686950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 55686950 is about 7462.3689268221. The cubic root of 55686950 is about 381.8719955244.

The spelling of 55686950 in words is "fifty-five million, six hundred eighty-six thousand, nine hundred fifty".