4552001421 has 32 divisors (see below), whose sum is σ = 6721228800. Its totient is φ = 2717352000.

The previous prime is 4552001417. The next prime is 4552001449. The reversal of 4552001421 is 1241002554.

It is not a de Polignac number, because 4552001421 - 2² = 4552001417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4552001391 and 4552001400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552001401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659836 + ... + 666698.

It is an arithmetic number, because the mean of its divisors is an integer number (210038400).

Almost surely, 2^4552001421 is an apocalyptic number.

It is an amenable number.

4552001421 is a deficient number, since it is larger than the sum of its proper divisors (2169227379).

4552001421 is a wasteful number, since it uses less digits than its factorization.

4552001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4552001421 is about 67468.5217045698. The cubic root of 4552001421 is about 1657.2987252895.

Adding to 4552001421 its reverse (1241002554), we get a palindrome (5793003975).

The spelling of 4552001421 in words is "four billion, five hundred fifty-two million, one thousand, four hundred twenty-one".