542157553 has 4 divisors (see below), whose sum is σ = 619608640. Its totient is φ = 464706468.

The previous prime is 542157547. The next prime is 542157601. The reversal of 542157553 is 355751245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542157553 - 2²⁹ = 5286641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542157653) 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, 38725533 + ... + 38725546.

It is an arithmetic number, because the mean of its divisors is an integer number (154902160).

Almost surely, 2^542157553 is an apocalyptic number.

It is an amenable number.

542157553 is a deficient number, since it is larger than the sum of its proper divisors (77451087).

542157553 is an equidigital number, since it uses as much as digits as its factorization.

542157553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77451086.

The product of its digits is 105000, while the sum is 37.

The square root of 542157553 is about 23284.2769481897. The cubic root of 542157553 is about 815.4083807783.

The spelling of 542157553 in words is "five hundred forty-two million, one hundred fifty-seven thousand, five hundred fifty-three".