1054455551 has 4 divisors (see below), whose sum is σ = 1054557504. Its totient is φ = 1054353600.

The previous prime is 1054455541. The next prime is 1054455553. The reversal of 1054455551 is 1555544501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1555544501 = 7 ⋅222220643.

It is a cyclic number.

It is not a de Polignac number, because 1054455551 - 2⁶ = 1054455487 is a prime.

It is a super-2 number, since 2×1054455551² = 2223753018069427202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054455553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33455 + ... + 56816.

It is an arithmetic number, because the mean of its divisors is an integer number (263639376).

Almost surely, 2^1054455551 is an apocalyptic number.

1054455551 is a deficient number, since it is larger than the sum of its proper divisors (101953).

1054455551 is an equidigital number, since it uses as much as digits as its factorization.

1054455551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101952.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 1054455551 is about 32472.3813570856. The cubic root of 1054455551 is about 1017.8319807283.

The spelling of 1054455551 in words is "one billion, fifty-four million, four hundred fifty-five thousand, five hundred fifty-one".