1655056542 has 8 divisors (see below), whose sum is σ = 3310113096. Its totient is φ = 551685512.

The previous prime is 1655056531. The next prime is 1655056547. The reversal of 1655056542 is 2456505561.

It is a happy number.

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

1655056542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1655056542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655056547) 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, 137921373 + ... + 137921384.

It is an arithmetic number, because the mean of its divisors is an integer number (413764137).

Almost surely, 2^1655056542 is an apocalyptic number.

1655056542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1655056542 is a wasteful number, since it uses less digits than its factorization.

1655056542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275842762.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 1655056542 is about 40682.3861394584. The cubic root of 1655056542 is about 1182.8716189763.

The spelling of 1655056542 in words is "one billion, six hundred fifty-five million, fifty-six thousand, five hundred forty-two".