53542404 has 48 divisors (see below), whose sum is σ = 142576000. Its totient is φ = 17363808.

The previous prime is 53542397. The next prime is 53542421. The reversal of 53542404 is 40424535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704 + ... + 10695.

Almost surely, 2^53542404 is an apocalyptic number.

53542404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53542404 is an abundant number, since it is smaller than the sum of its proper divisors (89033596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53542404 is a wasteful number, since it uses less digits than its factorization.

53542404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449 (or 13441 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53542404 is about 7317.2675227847. The cubic root of 53542404 is about 376.9056278171.

Adding to 53542404 its reverse (40424535), we get a palindrome (93966939).

The spelling of 53542404 in words is "fifty-three million, five hundred forty-two thousand, four hundred four".