42553401 has 16 divisors (see below), whose sum is σ = 62413248. Its totient is φ = 25787520.

The previous prime is 42553393. The next prime is 42553403. The reversal of 42553401 is 10435524.

It is not a de Polignac number, because 42553401 - 2³ = 42553393 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42553403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (3900828).

Almost surely, 2^42553401 is an apocalyptic number.

It is an amenable number.

42553401 is a deficient number, since it is larger than the sum of its proper divisors (19859847).

42553401 is a wasteful number, since it uses less digits than its factorization.

42553401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693 (or 10671 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42553401 is about 6523.2967892010. The cubic root of 42553401 is about 349.1227035201.

Adding to 42553401 its reverse (10435524), we get a palindrome (52988925).

The spelling of 42553401 in words is "forty-two million, five hundred fifty-three thousand, four hundred one".