42651455 has 32 divisors (see below), whose sum is σ = 64350720. Its totient is φ = 26363520.

The previous prime is 42651451. The next prime is 42651467. The reversal of 42651455 is 55415624.

It is not a de Polignac number, because 42651455 - 2² = 42651451 is a prime.

It is a super-2 number, since 2×42651455² = 3638293227234050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42651451) 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, 53117 + ... + 53913.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^42651455 is an apocalyptic number.

42651455 is a deficient number, since it is larger than the sum of its proper divisors (21699265).

42651455 is a wasteful number, since it uses less digits than its factorization.

42651455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959.

The product of its digits is 24000, while the sum is 32.

The square root of 42651455 is about 6530.8081429483. The cubic root of 42651455 is about 349.3906540371.

The spelling of 42651455 in words is "forty-two million, six hundred fifty-one thousand, four hundred fifty-five".