1497977553 has 8 divisors (see below), whose sum is σ = 1998708768. Its totient is φ = 997949024.

The previous prime is 1497977527. The next prime is 1497977587. The reversal of 1497977553 is 3557797941.

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 1497977553 - 2⁸ = 1497977297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1497977493 and 1497977502.

It is not an unprimeable number, because it can be changed into a prime (1497277553) 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, 170676 + ... + 179237.

It is an arithmetic number, because the mean of its divisors is an integer number (249838596).

Almost surely, 2^1497977553 is an apocalyptic number.

It is an amenable number.

1497977553 is a deficient number, since it is larger than the sum of its proper divisors (500731215).

1497977553 is a wasteful number, since it uses less digits than its factorization.

1497977553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351343.

The product of its digits is 8334900, while the sum is 57.

The square root of 1497977553 is about 38703.7149767306. The cubic root of 1497977553 is about 1144.1995391849.

The spelling of 1497977553 in words is "one billion, four hundred ninety-seven million, nine hundred seventy-seven thousand, five hundred fifty-three".