496905551 has 4 divisors (see below), whose sum is σ = 497283600. Its totient is φ = 496527504.

The previous prime is 496905533. The next prime is 496905571. The reversal of 496905551 is 155509694.

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

It is a cyclic number.

It is not a de Polignac number, because 496905551 - 2²⁶ = 429796687 is a prime.

It is a super-2 number, since 2×496905551² = 493830253229227202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496905571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187046 + ... + 189683.

It is an arithmetic number, because the mean of its divisors is an integer number (124320900).

Almost surely, 2^496905551 is an apocalyptic number.

496905551 is a deficient number, since it is larger than the sum of its proper divisors (378049).

496905551 is a wasteful number, since it uses less digits than its factorization.

496905551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378048.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 496905551 is about 22291.3784006283. The cubic root of 496905551 is about 792.0597592692.

The spelling of 496905551 in words is "four hundred ninety-six million, nine hundred five thousand, five hundred fifty-one".