54340551 has 80 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 30792960.

The previous prime is 54340549. The next prime is 54340553. The reversal of 54340551 is 15504345.

It is an interprime number because it is at equal distance from previous prime (54340549) and next prime (54340553).

It is not a de Polignac number, because 54340551 - 2¹ = 54340549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54340553) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 811020 + ... + 811086.

It is an arithmetic number, because the mean of its divisors is an integer number (1184832).

Almost surely, 2^54340551 is an apocalyptic number.

54340551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54340551 is a deficient number, since it is larger than the sum of its proper divisors (40446009).

54340551 is a wasteful number, since it uses less digits than its factorization.

54340551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

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

The square root of 54340551 is about 7371.6043708273. The cubic root of 54340551 is about 378.7692196893.

Adding to 54340551 its reverse (15504345), we get a palindrome (69844896).

The spelling of 54340551 in words is "fifty-four million, three hundred forty thousand, five hundred fifty-one".