7540012553 has 8 divisors (see below), whose sum is σ = 7715243520. Its totient is φ = 7365398560.

The previous prime is 7540012537. The next prime is 7540012583. The reversal of 7540012553 is 3552100457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7540012553 - 2⁴ = 7540012537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7540012523) 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, 129473 + ... + 178446.

It is an arithmetic number, because the mean of its divisors is an integer number (964405440).

Almost surely, 2^7540012553 is an apocalyptic number.

It is an amenable number.

7540012553 is a deficient number, since it is larger than the sum of its proper divisors (175230967).

7540012553 is a wasteful number, since it uses less digits than its factorization.

7540012553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308487.

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

The square root of 7540012553 is about 86833.2456666224. The cubic root of 7540012553 is about 1960.9086229477.

The spelling of 7540012553 in words is "seven billion, five hundred forty million, twelve thousand, five hundred fifty-three".