1455950551 has 4 divisors (see below), whose sum is σ = 1588309704. Its totient is φ = 1323591400.

The previous prime is 1455950521. The next prime is 1455950579. The reversal of 1455950551 is 1550595541.

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

It is a cyclic number.

It is not a de Polignac number, because 1455950551 - 2⁹ = 1455950039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455950521) 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, 66179560 + ... + 66179581.

It is an arithmetic number, because the mean of its divisors is an integer number (397077426).

Almost surely, 2^1455950551 is an apocalyptic number.

1455950551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1455950551 is a deficient number, since it is larger than the sum of its proper divisors (132359153).

1455950551 is a wasteful number, since it uses less digits than its factorization.

1455950551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132359152.

The product of its (nonzero) digits is 112500, while the sum is 40.

The square root of 1455950551 is about 38156.9200932151. The cubic root of 1455950551 is about 1133.3973904297.

The spelling of 1455950551 in words is "one billion, four hundred fifty-five million, nine hundred fifty thousand, five hundred fifty-one".