56450166 has 16 divisors (see below), whose sum is σ = 119541744. Its totient is φ = 17709824.

The previous prime is 56450143. The next prime is 56450179. The reversal of 56450166 is 66105465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276615 + ... + 276818.

It is an arithmetic number, because the mean of its divisors is an integer number (7471359).

Almost surely, 2^56450166 is an apocalyptic number.

56450166 is an abundant number, since it is smaller than the sum of its proper divisors (63091578).

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

56450166 is a wasteful number, since it uses less digits than its factorization.

56450166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553455.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56450166 is about 7513.3325495415. The cubic root of 56450166 is about 383.6086643666.

It can be divided in two parts, 56450 and 166, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 56450166 in words is "fifty-six million, four hundred fifty thousand, one hundred sixty-six".