56219450 has 24 divisors (see below), whose sum is σ = 119507232. Its totient is φ = 19275120.

The previous prime is 56219441. The next prime is 56219453. The reversal of 56219450 is 5491265.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56219453) 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, 79964 + ... + 80663.

It is an arithmetic number, because the mean of its divisors is an integer number (4979468).

Almost surely, 2^56219450 is an apocalyptic number.

56219450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56219450 is an abundant number, since it is smaller than the sum of its proper divisors (63287782).

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

56219450 is a wasteful number, since it uses less digits than its factorization.

56219450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160646 (or 160641 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 56219450 is about 7497.9630567241. The cubic root of 56219450 is about 383.0853384408.

The spelling of 56219450 in words is "fifty-six million, two hundred nineteen thousand, four hundred fifty".