75553142 has 16 divisors (see below), whose sum is σ = 129708960. Its totient is φ = 32332608.

The previous prime is 75553141. The next prime is 75553147. The reversal of 75553142 is 24135557.

It is a junction number, because it is equal to n+sod(n) for n = 75553099 and 75553108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75553141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7034 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (8106810).

Almost surely, 2^75553142 is an apocalyptic number.

75553142 is a deficient number, since it is larger than the sum of its proper divisors (54155818).

75553142 is a wasteful number, since it uses less digits than its factorization.

75553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895.

The product of its digits is 21000, while the sum is 32.

The square root of 75553142 is about 8692.1310390491. The cubic root of 75553142 is about 422.7505454654.

Adding to 75553142 its reverse (24135557), we get a palindrome (99688699).

The spelling of 75553142 in words is "seventy-five million, five hundred fifty-three thousand, one hundred forty-two".