403055055 has 64 divisors (see below), whose sum is σ = 781240320. Its totient is φ = 195965568.

The previous prime is 403055027. The next prime is 403055069. The reversal of 403055055 is 550550304.

It is not a de Polignac number, because 403055055 - 2¹⁰ = 403054031 is a prime.

It is a super-2 number, since 2×403055055² = 324906754722106050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144282 + ... + 147048.

It is an arithmetic number, because the mean of its divisors is an integer number (12206880).

Almost surely, 2^403055055 is an apocalyptic number.

403055055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

403055055 is a deficient number, since it is larger than the sum of its proper divisors (378185265).

403055055 is a wasteful number, since it uses less digits than its factorization.

403055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 403055055 is about 20076.2310955020. The cubic root of 403055055 is about 738.6773640868.

The spelling of 403055055 in words is "four hundred three million, fifty-five thousand, fifty-five".