491053054 has 4 divisors (see below), whose sum is σ = 736579584. Its totient is φ = 245526526.

The previous prime is 491053049. The next prime is 491053103. The reversal of 491053054 is 450350194.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×491053054² = 482266203685453832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122763262 + ... + 122763265.

It is an arithmetic number, because the mean of its divisors is an integer number (184144896).

Almost surely, 2^491053054 is an apocalyptic number.

491053054 is a deficient number, since it is larger than the sum of its proper divisors (245526530).

491053054 is a wasteful number, since it uses less digits than its factorization.

491053054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245526529.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 491053054 is about 22159.7169205746. The cubic root of 491053054 is about 788.9378740447.

The spelling of 491053054 in words is "four hundred ninety-one million, fifty-three thousand, fifty-four".