1553055046 has 4 divisors (see below), whose sum is σ = 2329582572. Its totient is φ = 776527522.

The previous prime is 1553055029. The next prime is 1553055089. The reversal of 1553055046 is 6405503551.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388263760 + ... + 388263763.

It is an arithmetic number, because the mean of its divisors is an integer number (582395643).

Almost surely, 2^1553055046 is an apocalyptic number.

1553055046 is a deficient number, since it is larger than the sum of its proper divisors (776527526).

1553055046 is an equidigital number, since it uses as much as digits as its factorization.

1553055046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776527525.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 1553055046 is about 39408.8193936332. The cubic root of 1553055046 is about 1158.0543697744.

Adding to 1553055046 its reverse (6405503551), we get a palindrome (7958558597).

The spelling of 1553055046 in words is "one billion, five hundred fifty-three million, fifty-five thousand, forty-six".