55154023 has 4 divisors (see below), whose sum is σ = 57552048. Its totient is φ = 52756000.

The previous prime is 55154009. The next prime is 55154039. The reversal of 55154023 is 32045155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32045155 = 5 ⋅6409031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55154023 is a prime.

It is a super-3 number, since 3×55154023³ (a number of 24 digits) contains 333 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 (55154003) 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, 1198978 + ... + 1199023.

It is an arithmetic number, because the mean of its divisors is an integer number (14388012).

Almost surely, 2^55154023 is an apocalyptic number.

55154023 is a deficient number, since it is larger than the sum of its proper divisors (2398025).

55154023 is a wasteful number, since it uses less digits than its factorization.

55154023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398024.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55154023 is about 7426.5754557535. The cubic root of 55154023 is about 380.6499104529.

Adding to 55154023 its reverse (32045155), we get a palindrome (87199178).

The spelling of 55154023 in words is "fifty-five million, one hundred fifty-four thousand, twenty-three".