55435151 has 2 divisors, whose sum is σ = 55435152. Its totient is φ = 55435150.

The previous prime is 55435123. The next prime is 55435183. The reversal of 55435151 is 15153455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55435151 - 2¹⁴ = 55418767 is a prime.

It is equal to p_3306638 and since 55435151 and 3306638 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55432151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27717575 + 27717576.

It is an arithmetic number, because the mean of its divisors is an integer number (27717576).

Almost surely, 2^55435151 is an apocalyptic number.

55435151 is a deficient number, since it is larger than the sum of its proper divisors (1).

55435151 is an equidigital number, since it uses as much as digits as its factorization.

55435151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7500, while the sum is 29.

The square root of 55435151 is about 7445.4785608448. The cubic root of 55435151 is about 381.2955571825.

The spelling of 55435151 in words is "fifty-five million, four hundred thirty-five thousand, one hundred fifty-one".