474021553 has 16 divisors (see below), whose sum is σ = 487992960. Its totient is φ = 460341504.

The previous prime is 474021539. The next prime is 474021563. The reversal of 474021553 is 355120474.

It is a cyclic number.

It is not a de Polignac number, because 474021553 - 2⁵ = 474021521 is a prime.

It is a super-3 number, since 3×474021553³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474021503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617675 + ... + 1617967.

It is an arithmetic number, because the mean of its divisors is an integer number (30499560).

Almost surely, 2^474021553 is an apocalyptic number.

It is an amenable number.

474021553 is a deficient number, since it is larger than the sum of its proper divisors (13971407).

474021553 is a wasteful number, since it uses less digits than its factorization.

474021553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 474021553 is about 21772.0360324890. The cubic root of 474021553 is about 779.7092676065.

The spelling of 474021553 in words is "four hundred seventy-four million, twenty-one thousand, five hundred fifty-three".