55434501 has 24 divisors (see below), whose sum is σ = 86859864. Its totient is φ = 33930240.

The previous prime is 55434499. The next prime is 55434517. The reversal of 55434501 is 10543455.

It can be written as a sum of positive squares in 4 ways, for example, as 19793601 + 35640900 = 4449^2 + 5970^2 .

It is not a de Polignac number, because 55434501 - 2¹ = 55434499 is a prime.

It is a super-2 number, since 2×55434501² = 6145967802238002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55434551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1855 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (3619161).

Almost surely, 2^55434501 is an apocalyptic number.

55434501 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

55434501 is a deficient number, since it is larger than the sum of its proper divisors (31425363).

55434501 is a wasteful number, since it uses less digits than its factorization.

55434501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901 (or 8898 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55434501 is about 7445.4349100640. The cubic root of 55434501 is about 381.2940668941.

Adding to 55434501 its reverse (10543455), we get a palindrome (65977956).

The spelling of 55434501 in words is "fifty-five million, four hundred thirty-four thousand, five hundred one".