55051450 has 24 divisors (see below), whose sum is σ = 102984480. Its totient is φ = 21894000.

The previous prime is 55051439. The next prime is 55051487. The reversal of 55051450 is 5415055.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5875 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (4291020).

Almost surely, 2^55051450 is an apocalyptic number.

55051450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55051450 is a deficient number, since it is larger than the sum of its proper divisors (47933030).

55051450 is a wasteful number, since it uses less digits than its factorization.

55051450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342 (or 6337 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55051450 is about 7419.6664345508. Note that the first 3 decimals coincide. The cubic root of 55051450 is about 380.4137920912.

It can be divided in two parts, 550514 and 50, that added together give a square (550564 = 742²).

The spelling of 55051450 in words is "fifty-five million, fifty-one thousand, four hundred fifty".