46551220 has 24 divisors (see below), whose sum is σ = 97942824. Its totient is φ = 18585216.

The previous prime is 46551163. The next prime is 46551223. The reversal of 46551220 is 2215564.

It can be written as a sum of positive squares in 4 ways, for example, as 6330256 + 40220964 = 2516^2 + 6342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46551223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10362 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (4080951).

Almost surely, 2^46551220 is an apocalyptic number.

It is an amenable number.

46551220 is an abundant number, since it is smaller than the sum of its proper divisors (51391604).

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

46551220 is a wasteful number, since it uses less digits than its factorization.

46551220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 46551220 is about 6822.8454474654. The cubic root of 46551220 is about 359.7303021186.

Adding to 46551220 its reverse (2215564), we get a palindrome (48766784).

The spelling of 46551220 in words is "forty-six million, five hundred fifty-one thousand, two hundred twenty".