76045553 has 4 divisors (see below), whose sum is σ = 76066788. Its totient is φ = 76024320.

The previous prime is 76045523. The next prime is 76045559. The reversal of 76045553 is 35554067.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51165409 + 24880144 = 7153^2 + 4988^2 .

It is a cyclic number.

It is not a de Polignac number, because 76045553 - 2⁸ = 76045297 is a prime.

It is a super-2 number, since 2×76045553² = 11565852262151618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76045559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3776 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (19016697).

Almost surely, 2^76045553 is an apocalyptic number.

It is an amenable number.

76045553 is a deficient number, since it is larger than the sum of its proper divisors (21235).

76045553 is a wasteful number, since it uses less digits than its factorization.

76045553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 76045553 is about 8720.4101394373. The cubic root of 76045553 is about 423.6669706770. Note that the first 3 decimals are identical.

The spelling of 76045553 in words is "seventy-six million, forty-five thousand, five hundred fifty-three".