55452416 has 72 divisors (see below), whose sum is σ = 116336304. Its totient is φ = 26357760.

The previous prime is 55452409. The next prime is 55452421. The reversal of 55452416 is 61425455.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 827615 + ... + 827681.

It is an arithmetic number, because the mean of its divisors is an integer number (1615782).

Almost surely, 2^55452416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55452416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58168152).

55452416 is an abundant number, since it is smaller than the sum of its proper divisors (60883888).

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

55452416 is an equidigital number, since it uses as much as digits as its factorization.

55452416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 183 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 55452416 is about 7446.6378990790. The cubic root of 55452416 is about 381.3351372707.

The spelling of 55452416 in words is "fifty-five million, four hundred fifty-two thousand, four hundred sixteen".