42929953 has 24 divisors (see below), whose sum is σ = 49812224. Its totient is φ = 36923040.

The previous prime is 42929933. The next prime is 42929963. The reversal of 42929953 is 35992924.

It is a happy number.

It is not a de Polignac number, because 42929953 - 2⁵ = 42929921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (42929903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192400 + ... + 192622.

Almost surely, 2^42929953 is an apocalyptic number.

42929953 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42929953 is a deficient number, since it is larger than the sum of its proper divisors (6882271).

42929953 is a wasteful number, since it uses less digits than its factorization.

42929953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 314 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 42929953 is about 6552.0953137145. The cubic root of 42929953 is about 350.1494681331.

The spelling of 42929953 in words is "forty-two million, nine hundred twenty-nine thousand, nine hundred fifty-three".