5451264550 has 12 divisors (see below), whose sum is σ = 10139352156. Its totient is φ = 2180505800.

The previous prime is 5451264449. The next prime is 5451264551. The reversal of 5451264550 is 554621545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451264551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54512596 + ... + 54512695.

It is an arithmetic number, because the mean of its divisors is an integer number (844946013).

Almost surely, 2^5451264550 is an apocalyptic number.

5451264550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5451264550 is a deficient number, since it is larger than the sum of its proper divisors (4688087606).

5451264550 is a wasteful number, since it uses less digits than its factorization.

5451264550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109025303 (or 109025298 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 5451264550 is about 73832.6794177213. The cubic root of 5451264550 is about 1759.9449610457.

It can be divided in two parts, 545126 and 4550, that added together give a triangular number (549676 = T₁₀₄₈).

The spelling of 5451264550 in words is "five billion, four hundred fifty-one million, two hundred sixty-four thousand, five hundred fifty".