52451099 has 4 divisors (see below), whose sum is σ = 53670936. Its totient is φ = 51231264.

The previous prime is 52451093. The next prime is 52451131. The reversal of 52451099 is 99015425.

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 52451099 - 2⁸ = 52450843 is a prime.

It is a super-2 number, since 2×52451099² = 5502235572615602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52451093) 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, 609854 + ... + 609939.

It is an arithmetic number, because the mean of its divisors is an integer number (13417734).

Almost surely, 2^52451099 is an apocalyptic number.

52451099 is a deficient number, since it is larger than the sum of its proper divisors (1219837).

52451099 is a wasteful number, since it uses less digits than its factorization.

52451099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219836.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 52451099 is about 7242.3130973467. The cubic root of 52451099 is about 374.3273250402.

The spelling of 52451099 in words is "fifty-two million, four hundred fifty-one thousand, ninety-nine".